Random And Non Random Sampling Slideshare. It begins by defining simple random sampling as selecting a sample fr

It begins by defining simple random sampling as selecting a sample from a population where each individual has an equal probability of being selected at each stage of sampling. Key steps are described for each technique, such as numbering units, calculating Dec 3, 2013 · Random and Non-Random samples An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. For each method, it provides the definition, process, merits The document provides a comprehensive overview of sampling techniques in statistics, covering definitions, processes, and methods such as non-probability and probability sampling. Presenter – Anil Koparkar Moderator – Bharambhe sir. It emphasizes that non-probability sampling does not offer equal chances for all population members to be selected, which affects reliability and representativeness of results. - Download as a PPT, PDF or view online for free Apr 24, 2012 · Non-Random Sampling Convenience Sampling- individuals are selected for a sample because they are easy to access. It addresses the advantages and disadvantages of sampling techniques, differentiating between probability and non-probability sampling methods, along with specific sampling strategies like simple random, systematic, and stratified sampling. It defines research and sampling, and outlines different types of sampling methods including probability and non-probability sampling. It defines key terms like population, sample, parameter, and statistic. This presentation educates you about Non-Probability Sampling, Types of non-probability sampling, When to use non-probability sampling?, Advantages of non-probability sampling and difference. It discusses different sampling methods such as probability (random, stratified, cluster, systematic) and non-probability sampling (convenience, purposive, quota) along with their advantages This document provides an overview of key concepts in sampling and statistics. It discusses different types of sampling methods including probability sampling (simple random, stratified, cluster, systematic) and non-probability sampling (convenience, judgmental, quota, snowball). It aims to result in a sample that accurately represents the larger This document provides an overview of sampling techniques used in research. Dec 22, 2012 · Statistical Sampling. Proper sampling ensures representative, generalizable, and valid research results. It defines key terms like population, sample, and sampling frame. It was written comprehensively to guide you as you learn the different techniques in sampling. Non-random sampling techniques are also covered, such as judgement sampling, convenience This document discusses different sampling methods used in research. Apr 7, 2019 · Random Sampling. Last modified: 4-8-2015. ) for a study, once we have decided on a population? In short, how do we go about sampling? You know by now (if only because of the title of this section) that the two broad types of sampling are non-random and random. Simple Random Sampling. This document discusses research methodology and sampling techniques. In other words, the sampling process is not based on the discretion of the researcher but is carried out in such a way that the probability of every unit in the population of being included is the same. It discusses key concepts like population, sample, sampling unit and sampling frame. SAGE Publications Inc | Home Sep 14, 2014 · Presentation Transcript ProbabilitySampling Methods • Simple Random Sampling • Sampling with or without replacement • Systematic Random Sampling • Total number of cases (M) divided by the sample (N), this is your sampling interval K. Jul 23, 2025 · In the realm of market research, sampling methods fall into two primary categories: Random or probability sampling and non-probability sampling. 7 Random and non-random sampling methods For additional examples and discussion of random and non-random sampling methods, see Topic 4B. Jul 5, 2022 · Probability sampling is a sampling method that involves randomly selecting a sample, or a part of the population that you want to research. Workshops (1) 13 Sampling techniques (Workshop) his PowerPoint is a workshop which explains the difference between and types of random and non-random sampling. 5 Tue, Jan 27, 2004. Non-probability sampling Non-probability sampling is sampling method in which the researcher selects a sample based on the subjective judgmental of the researcher than random selection. This article discusses the specific category of probability sampling known as random sampling and its types, formulas, advantages, examples, etc. It describes various probability sampling techniques like simple random sampling, systematic sampling and stratified sampling. Two commonly employed sampling methods are random sampling and non-random sampling. Learn how to select your sample for primary research. Topic #2. Find out what their differences are and choose the best one for your study. It defines key terms like population, sample, and frame. Oct 9, 2014 · Sampling: Theory and Methods. Probability sampling methods like simple random sampling, stratified random sampling, and systematic random sampling aim to provide an unbiased representation of the population. The document outlines various sampling techniques and types critical in both quantitative and qualitative research, detailing the definition of a sample, its purpose, and stages in the selection process. It also covers non-probability sampling techniques such as purposive sampling and Non-probability sampling methods allow researchers to select sample subjects without assigning probabilities, which can lead to findings that are not generalizable to the population. Probability sampling involves selecting samples in a way that gives every member of the population an equal and known chance of being chosen. Probability sampling techniques like simple random sampling, stratified sampling, and systematic sampling are explained. It explains the difference between probability and non-probability sampling. Session Objectives. Selecting a Simple Random Sample. The Future of Mobile Search. The document also explains the difference 1. Probability, a topic taught as part of the econdary mathematics syllabus, is synonym with keywords like random, fair, roll, dice, coins and probability spaces. It highlights the importance of defining the target population, selecting a sampling frame, and determining sample size and method. It describes different sampling methods like simple random sampling, systematic sampling, stratified sampling, cluster sampling, and their advantages and disadvantages. Quota sampling segments populations and selects according to predefined proportions. The discussion is aimed at The document outlines different sampling methods like simple random sampling, stratified sampling, cluster sampling and multistage sampling. It also discusses non-probability sampling techniques like convenience sampling and quota sampling. Please try again. It also discusses the differences between strata and clusters. Advantages and disadvantages of each technique are also outlined. It is also sometimes called random sampling. It also discusses non-probability sampling methods such as convenience sampling, purposive Jul 12, 2014 · Sampling Techniques. The learning objectives and This document discusses sampling techniques used in research. There are several sampling techniques including simple random sampling, stratified sampling, cluster sampling, systematic sampling, and non-probability sampling. Finally, it discusses issues around internet sampling and The document provides a comprehensive overview of population and sampling, explaining their definitions, types, and techniques, including both probability and non-probability sampling methods. It defines key terms like population, sample, census, and probability and non-probability sampling. In simple random sampling, the study randomly selects every member of the population with an equal chance. It describes probability sampling methods like simple random sampling, stratified sampling, cluster sampling, systematic sampling, and multistage sampling. , convenience sampling, judgement sampling and quota sampling. Simplest sampling design In simple random sampling each element has an equal chance of being selected 4 Sampling Sampling is a process used in statistical analysis in which a predetermined number of observations are taken from a larger population. It discusses various sampling approaches, including judgment sampling, convenience sampling, and snowball sampling, as well as the merits and demerits of each technique. Random Sampling. Lecture Aim & Objectives. voting age population [ N = ~ 200m] This document provides an overview of sampling design and different sampling methods. The document provides an overview of sampling techniques used in research, distinguishing between probability and non-probability sampling methods, including simple random, systematic, stratified, cluster, and multistage sampling. It discusses characteristics of good sampling like being representative and free from bias. The document explains census and sampling as methods for data collection from populations, highlighting the differences between them. It describes random sampling methods like simple random sampling which gives every unit an equal chance of selection, and restricted random sampling including stratified sampling, systematic sampling, and multistage sampling. Simple random sampling involves selecting a sample that gives each individual an equal Non-probability sampling methods include judgment sampling, convenience sampling, quota sampling, and snowball sampling. Aim Oct 22, 2014 · Simple Random Sampling. Quota sampling determines quotas for different population categories in advance. Advantages of sampling like reducing time and This document outlines various sampling methods used in research, including definitions and techniques for creating samples from larger populations. This technique simplifies the research process, especially in cases like studying magazine readership across large geographic areas. Simple random sampling (SRS) is the process of drawing a sample from a population where each unit has an equal chance of being selected. Each technique is analyzed for advantages Oct 25, 2025 · Explore types of random sampling methods and techniques with examples. Stratified random sampling selects individuals from subgroups to ensure proper representation. Key takeaways AI Purposive sampling relies on the researcher's judgment for participant selection. In dictionary the term random stands for ‘without pattern’ or ‘haphazard’ while in sampling the term random selection implies the controlled procedure where each element Jan 2, 2020 · Lecture 2 Sampling Techniques. It defines key sampling terms like population, sample, sampling frame, etc. Table of Contents. Random sampling methods aim to select a sample that accurately represents the population without bias. It then describes various probability sampling techniques like simple random sampling, systematic sampling, stratified sampling, cluster sampling, and multi-stage sampling. It addresses characteristics, errors in sampling, and methods for determining sample size, emphasizing the importance of proper sampling techniques for research validity. Learn the reasons for sampling Develop an understanding about different sampling methods Distinguish between probability & non probability sampling Discuss the relative advantages & disadvantages of each sampling methods. Additionally, it highlights the importance of The document provides an overview of sampling in survey work, outlining its key components such as selection and estimation procedures. Dr. Learning Objectives. M/N=K • Use random start. It also covers non-probability sampling techniques such as convenience sampling, purposive sampling This document defines probability sampling and describes four main types: simple random sampling, stratified random sampling, systematic random sampling, and cluster random sampling. , person, business, or organization in your population) must have an equal chance of being selected. There are different random sampling techniques described, including simple random sampling by lottery, systematic random sampling by selecting every kth item, stratified random sampling by proportionally selecting from subgroups, and cluster The document provides information on various sampling techniques used in research. Explanatory Research itative research uses probability sampling techniques, also known as random or representative sampling (Alvi, 2016). It then explains different random sampling techniques like simple random sampling, systematic sampling, stratified random sampling, cluster sampling, and multi-stage sampling. Our presentation covers techniques like random, stratified, and cluster sampling, providing insights for effective analysis. This document provides an overview of different sampling methods, including probability and non-probability sampling. Recall that for a study to be truly externally valid, the sample must be a random sample. In the real world, most R. . Aug 23, 2021 · This presentation educates you about Non-Probability Sampling, Types of non-probability sampling, When to use non-probability sampling?, Advantages of non-probability sampling and difference. In other words, this method is based on non-random selection criteria. Examples are provided for each. It defines key terms like population, sample, and random sampling. The selected units are then divided into secondary sampling units where another random sample is selected. Jan 2, 2024 · Sampling plays a crucial role in research, enabling scientists to study a subset of individuals instead of the entire population. An effective strategy because it banks on multiple randomizations. This document discusses various types of errors that can occur in sampling techniques, including sampling errors and non-sampling errors. The document emphasizes Sampling Research Methods for Business Sampling is the process of selecting a subset of individuals from within a population to estimate characteristics of the whole population. Aug 6, 2014 · Sampling Methods • Probability Sampling • Simple Random Sampling • Stratified Random Sampling • Systematic Sampling • Cluster Sampling • Non-probability Sampling • Purposive Sampling • Convenience Sampling • Quota Sampling • Snowball Sampling All members of the population have a chance of being selected Sample is not drawn The various forms of random sampling (including simple random sampling and stratified random sampling) are probability sampling techniques. Probability sampling includes techniques like simple random sampling, stratified random sampling, and cluster sampling, while non-probability sampling includes methods such as purposive and convenience sampling. It distinguishes between probability and non-probability sampling methods, providing examples of each, such as simple random sampling, stratified sampling, and cluster sampling. Population : the set of “units” (in survey research, usually either individuals or households ), that are to be studied, for example ( N = size of population): The U. It also covers non-probability sampling methods like convenience sampling and purposive sampling The document discusses sample and sampling techniques used in research. Non-probability methods This document discusses different sampling techniques used in research. households Simple random sampling with and without replacement Simple random sampling without replacement Simple random sampling with replacement This document discusses different types of sampling methods used in statistics. voting age population N 200m All people who are expected to vote in the upcoming election N 130 (pre-election tracking polls) All U. Aug 28, 2020 · In simple random sampling, researchers collect data from a random subset of a population to draw conclusions about the whole population. This document provides an overview of sampling concepts and methods, detailing the definitions of population, sample, and sampling. Examples and steps are provided to help understand and apply the concept. It describes probability sampling methods like simple random sampling, stratified random sampling, and cluster sampling. Sep 26, 2023 · Sampling methods in psychology refer to strategies used to select a subset of individuals (a sample) from a larger population, to study and draw inferences about the entire population. You need to refresh. The sim LESSON PLAN/ LESSON EXEMPLAR IN MATHEMATICS School Grade Level 11 Teacher Learning Area STAT. V. It distinguishes between probability and non-probability sampling methods, detailing various sampling techniques including simple random sampling, stratified sampling, and cluster sampling. Advantages and This document discusses various sampling methods used in research. Additionally, it addresses This document defines key terms related to population and sampling: population is the total set of data, while a sample is a subset of the population. 1 Probability Sampling Probability sampling is based on random selection of units from a population. 6. This document outlines various sampling techniques used in research, distinguishing between probability and non-probability sampling methods. It defines population as the entire set of items from which a sample can be drawn. Introduction Need and advantages Methods of sampling Probability sampling Simple Random Sampling – With & Without Replacement Stratified Random Sampling Systematic Random Sampling Cluster Sampling Jul 24, 2012 · SAMPLING METHODS. g. Convenience sampling uses readily available individuals, but results cannot be generalized to the population due to biases. Random sampling, or probability sampling, is a sampling method that allows for the randomization of sample selection. Uh oh, it looks like we ran into an error. Explore various sampling methods to enhance your research and data collection. Some examples of probability sampling techniques include simple random sampling, systematic sampling This document discusses simple random sampling. Oops. Probability sampling methods discussed include systematic, area, multi-stage, and cluster sampling. Finally There are two main types of sampling: probability sampling and non-probability sampling. Non-sampling errors occur due to issues in data collection, processing, and analysis. It describes different probability sampling techniques like simple random sampling, stratified random sampling, systematic random sampling, and cluster sampling. Various methods are outlined, including convenience sampling, purposive sampling, quota sampling, and snowball sampling, each with its own advantages and disadvantages. The students’ level of understanding was considered in choosing the language and style in presenting the lesson and activities. KANUPRIYA CHATURVEDI. It defines key terms like population, sample, and sampling. It also discusses non-probability sampling techniques and provides examples. A guide for gathering data. This module covers the two types of sampling: Probability and Non-probability. role of sampling in the research process probability and nonprobability sampling factors that determine sample size steps to develop a sampling plan. In non-probability sampling (also known as non-random sampling) not all members of the population have a chance to participate in the study. Understand the differences between quota sampling, stratified sampling, snowball sampling and many more types of sampling. It provides examples to illustrate simple random sampling, such as selecting sugar from a bag or using a lottery system or random number table to randomly pick sample members. Jan 20, 2012 · RANDOM SAMPLING:. The document discusses various sampling methods used in research including population, sample, random sampling, cluster sampling, and systematic random sampling. Non-probability techniques of convenience sampling, volunteer sampling, and network sampling are also summarized. While both approaches have their merits, they differ in various aspects, influencing the outcomes and reliability of the gathered data. A practical guide to techniques for researchers, students, and professionals. It then discusses two common methods for obtaining a simple random sample: the lottery method and using a random number table. For use in fall semester 2015 Lecture notes were originally designed by Nigel Halpern. The document emphasizes the importance of representativeness, adequacy and independence for a good sample. LEARNING OBJECTIVES. Statistics (specifically, inferential statistics) is based on random Mar 25, 2024 · Non-probability sampling is a sampling technique in which samples are selected based on non-random criteria, often influenced by the researcher’s judgment or convenience. It defines sampling as selecting a subset of individuals from a larger population to gather information about that population. It describes probability sampling techniques like simple random sampling, stratified random sampling, systematic random sampling, cluster sampling, and sequential sampling. This document discusses different sampling techniques used in research studies. Some common probability sampling methods described include simple random sampling, systematic sampling, stratified sampling, cluster sampling, and multistage sampling. Non-random sampling methods can introduce bias and affect reliability. Framework. Purposive sampling uses the researcher's knowledge to select a suitable sample for the research purpose. ) Example: Devise a procedure for picking a sample of the students in the 12th grade using convenience sampling. - Download as a PPTX, PDF or view online for It outlines probability sampling techniques like simple random sampling, systematic random sampling, stratified random sampling, cluster sampling, and multistage sampling. It first divides the population into primary sampling units and randomly selects some of these units. Simple Random Sampling PowerPoint PPT Presentation 1 / 18 Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite Share These include random sampling methods, such as, simple random sampling, stratified sampling, systematic sampling, multistage sampling, cluster sampling methods (and non-random sampling methods viz. Additionally, it details different types of sampling methods, including random and non-random sampling, along with their merits and demerits. This document discusses research methods and sampling techniques. 3. Judgment sampling relies on a researcher's knowledge and discretion to select samples, while convenience sampling selects easily accessible samples. It defines key terms like population, sample, random sampling, and describes different random sampling methods like lottery sampling, systematic sampling, stratified random sampling, cluster sampling, and multi-stage sampling. Define simple random sampling To demonstrate how a Simple random sample is selected in practice. Simple Random Sample. It defines key terms like population, sample, sampling, and element. To qualify as being random, each research unit (e. A population includes all items related to an inquiry, while a sample is a representative subset of the population. This document discusses sampling from a population. S. This lecture set may be modified during the semester. This process can continue for third and fourth stages if needed Nov 7, 2023 · Learn about the process of simple random sampling and how to obtain a simple random sample from a given population. Cluster sampling divides the population into clusters or groups and then randomly selects clusters. It describes two main sampling techniques - probability sampling which uses random selection, and non-probability sampling which uses non-random methods. The methodology used to sample from a larger population depends on the type of analysis being performed, but it may include simple random sampling or systematic sampling. Important Fact about the Term Random The term which differentiates probability from non probability sampling is ‘random. For topics stay tuned with Learnbay. 2. There are two main types of sampling: probability sampling, where every unit has an equal chance of being selected; and non-probability sampling, which does not use random selection. This document discusses different probability sampling techniques: simple random sampling, systematic sampling, stratified sampling, and cluster sampling. It details both probability sampling techniques, like simple random and stratified sampling, and non-probability methods, including convenience and snowball sampling, along with their advantages and disadvantages. The document also discusses The document focuses on the sampling process in research, defining key terms such as population, sample, and sampling methods. There are two types of SRS: with replacement, where selected units can be selected again This document discusses different sampling techniques used in statistics. Non-probability Cluster sampling is a method where researchers divide a population into clusters and then select a simple random sample of these clusters for analysis. Common methods include random sampling, stratified sampling, cluster sampling, and convenience sampling. This document discusses non-probability sampling, a technique where the likelihood of selecting any member for a sample cannot be calculated. These methods include convenience sampling, quota sampling, judgment sampling, and network sampling, each with their own advantages and disadvantages, often used for qualitative research or when time and budget It outlines advantages and limitations of sampling techniques, emphasizing the importance of randomness and careful selection to ensure representative samples. It defines key terms like population, sample, and sampling techniques. Deviant case sampling targets unusual cases for insights on specific issues. It describes probability sampling techniques like simple random sampling, systematic random sampling, stratified random sampling and cluster sampling. Probability sampling involves methods where the probability of selection of each individual is known, such as simple random sampling, systematic random sampling, stratified random sampling, and cluster random sampling. Module 3 Session 5. If this problem persists, tell us. 1. & PROB Date Quarter THIRD Division Region CARAGA OBJECTIVES A. Multistage The document discusses different sampling methods: systematic sampling selects every nth individual from a population list to avoid bias. 2. It provides examples to illustrate how each technique is implemented in practice. 10. This resource has been contributed to the statstutor Community Project by Peter Samuels, Birmingham City University and reviewed by Ellen Marshall, University of Sheffield. Something went wrong. It also discusses non-probability sampling techniques like convenience sampling and snowball sampling. It also covers non-probability sampling techniques such as purposive sampling, convenience sampling, snowball sampling, and quota sampling. Jan 27, 2004 · Simple Random Sampling. It also defines key terms like The document provides an overview of non-probability sampling techniques, detailing definitions and advantages of various types such as convenience, quota, purposive, and snowball sampling. Lecture 7 Section 2. Some probability sampling methods described are simple random Multistage sampling is a complex form of cluster sampling that uses multiple sampling methods together in stages. Key Definitions Pertaining to Sampling. It defines sampling errors as errors that arise from using a sample rather than the entire population. Systematic random sampling This document discusses simple random sampling, which is a type of probability sampling technique where each member of the population has an equal chance of being selected. Compare random sampling and non-random sampling methods and their advantages and disadvantages. Non-random Sampling How do we go about selecting elements (be they individuals, organizations, etc. It describes different probability sampling designs such as simple random sampling, stratified sampling, cluster sampling and multistage sampling. Simple Random Sample of size n – A sample of size n chosen in such a way that all possible samples of size n have the same chance of being selected. Non-probability sampling methods include quota, accidental, judgmental, expert, snowball, and This document discusses different types of sampling methods used in research. Discover what random sampling and non-random sampling are, their key differences, and when to use each method. Jan 8, 2025 · Learn about the importance of sampling in research, factors to consider in sample design, nature of sampling elements, inference process, estimation, hypothesis testing, sampling techniques, sample size determination, sampling errors, and types of sampling methods. Additionally, it addresses errors associated with sampling, advantages This document discusses various sampling methods used for data collection. ’ In sampling the term random has entirely different meaning from its dictionary meaning. The document discusses random sampling techniques used in statistics. 3. Sampling. Get expert insights on these essential sampling techniques for NEET. It also discusses non-random sampling techniques, determining sample size using Sloven's formula Title: RANDOM SAMPLING: 1 RANDOM SAMPLING Topic 2 2 Key Definitions Pertaining to Sampling Population the set of units (in survey research, usually either individuals or households), that are to be studied, for example (N size of population) The U. (This method can be very biased and may not yield accurate results. Sampling involves selecting a subset of units from a population for study, and it can be categorized into probability and non-probability methods, with various techniques outlined such as simple random sampling, systematic sampling, stratified sampling, cluster Not as effective as true random sampling, but probably solves more of the problems inherent to random sampling. Learning Objectives Sampling Methods Random Sampling Systematic Sampling Stratified Sampling Cluster Sampling Convenience Sampling Sampling Videos Sampling Relationships Example 1: Identifying Sampling Methods Slideshow Jun 20, 2025 · Random and non-random sampling are two types of sampling used in market research. Non-probability sampling is defined as a sampling technique in which the researcher selects samples based on the subjective judgment of the researcher rather than random selection. In non-probability sampling each unit in your target population does not have equal chance of being included or being selected. ’s for practical applications are continuous, and have no generalized formula for f X (x) and F X (x) .

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