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Related Concept Videos

Sampling Methods: Overview01:06

Sampling Methods: Overview

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A sample refers to a smaller subset representative of a larger population. In analytical chemistry, studying or analyzing an entire population is often impractical or impossible. Therefore, samples are used to draw inferences and generalize the whole population. The sampling method selects individuals or items from a population to create a sample. Standard sampling methods include random, judgemental, systematic, stratified, and cluster sampling. 
In analytical chemistry, the choice of...
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Convenience Sampling Method00:55

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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population.
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Sample Proportion and Population Proportion01:20

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Collecting samples or responses from an entire population takes significant time and effort, so a researcher collects responses from only a sample of that population. Suppose a study needs to collect information about a specific mobile application. After sample collection, the researcher analyzes the data and discovers that most individuals in the sample use that specific mobile application. The sample proportion measures the number of individuals in a sample who either use or don't use the...
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Systematic Sampling Method01:17

Systematic Sampling Method

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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
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Data Collection by Experiments01:13

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Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
An example of the experimental method is a public...
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Sampling Plans01:23

Sampling Plans

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Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
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ExperienceSampler: An open-source scaffold for building smartphone apps for experience sampling.

Sabrina Thai1, Elizabeth Page-Gould1

  • 1Department of Psychology, University of Toronto.

Psychological Methods
|June 16, 2017
PubMed
Summary
This summary is machine-generated.

ExperienceSampler is a free, open-source tool for creating smartphone apps for experience sampling. This method allows researchers to study daily life phenomena effectively, achieving high response rates.

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Area of Science:

  • Psychology
  • Mobile Technology
  • Research Methodology

Background:

  • Traditional laboratory methods have limitations for studying daily life phenomena.
  • Existing experience sampling methods can be costly and require constant internet connectivity.
  • Developing custom experience sampling apps often necessitates programming expertise.

Purpose of the Study:

  • To introduce ExperienceSampler, an open-source scaffold for developing experience-sampling smartphone applications for Android and iOS.
  • To address common barriers associated with experience sampling methods, including cost and internet dependency.
  • To provide researchers with a customizable and user-friendly tool for ecological momentary assessment.

Main Methods:

  • ExperienceSampler utilizes local notifications for survey prompts and local data storage.
  • The app scaffold is specifically designed with experience sampling methodological considerations.
  • Researchers can customize the app without requiring programming skills.

Main Results:

  • A social psychological study using ExperienceSampler (N=168) demonstrated its utility.
  • Average response rates reached 84%.
  • Median response latency was 9 minutes.

Conclusions:

  • ExperienceSampler offers a cost-effective solution for creating customizable smartphone apps for experience sampling.
  • The tool facilitates the examination of real-world experiences in daily life.
  • It lowers barriers for researchers to implement experience sampling studies.