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Multiple Comparison Tests01:13

Multiple Comparison Tests

4.4K
Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
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Reliability and Validity01:29

Reliability and Validity

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Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
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Test for Homogeneity01:23

Test for Homogeneity

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The goodness–of–fit test can be used to decide whether a population fits a given distribution, but it will not suffice to decide whether two populations follow the same unknown distribution. A different test, called the test for homogeneity, can be used to conclude whether two populations have the same distribution. To calculate the test statistic for a test for homogeneity, follow the same procedure as with the test of independence. The hypotheses for the test for homogeneity can...
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Distribution Reliability and Automation01:25

Distribution Reliability and Automation

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Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
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Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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Test Cross01:39

Test Cross

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Alleles are different forms of the same gene. Humans and other diploid organisms inherit two alleles of every gene, one from each parent.
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Related Experiment Video

Updated: Jan 2, 2026

Using a Virtual Store As a Research Tool to Investigate Consumer In-store Behavior
09:17

Using a Virtual Store As a Research Tool to Investigate Consumer In-store Behavior

Published on: July 24, 2017

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Developing and Validating a Big-Store Multiple Errands Test.

Kristen Antoniak1, Julie Clores1, Danielle Jensen2

  • 1Department of Occupational Science & Occupational Therapy, University of Toronto, Toronto, ON, Canada.

Frontiers in Psychology
|December 6, 2019
PubMed
Summary
This summary is machine-generated.

A new standardized Big-Store Multiple Errands Test (MET) was developed to assess executive dysfunction in community settings. This version is feasible, reliable, and provides a foundation for consistent assessment of everyday functioning.

Keywords:
Multiple Errands Testcognitioncommunityecological validityexecutive functioning

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Area of Science:

  • Neuropsychology
  • Cognitive Rehabilitation
  • Clinical Assessment

Background:

  • The Multiple Errands Test (MET) is an ecologically valid measure of executive dysfunction in daily life.
  • Existing MET versions are often site-specific, hindering standardization and psychometric evaluation.
  • A need exists for a standardized, community-based MET applicable across different large retail environments.

Purpose of the Study:

  • To develop and validate a standardized, community-based version of the MET, termed the Big-Store MET.
  • To assess the content validity, feasibility, and inter-rater reliability of the Big-Store MET.
  • To establish the performance of healthy individuals on this new assessment tool.

Main Methods:

  • Items for the Big-Store MET were selected based on quantity and complexity from previous versions.
  • Content validity was confirmed by four MET experts evaluating task consistency.
  • Feasibility and inter-rater reliability were assessed using 14 healthy adults evaluated by two raters.

Main Results:

  • The Big-Store MET demonstrated feasibility, being administrable within 30 minutes and acceptable to participants.
  • High inter-rater reliability (ICCs = 0.92-0.99) was observed, except for strategy use frequency.
  • Scores exhibited variability, indicating sensitivity to performance differences in healthy individuals.

Conclusions:

  • The Big-Store MET is a feasible and reliable assessment tool for evaluating executive functions in a standardized community setting.
  • This study provides preliminary validity and reliability data, supporting its use in research and clinical practice.
  • The Big-Store MET offers a foundation for a standardized, ecologically valid assessment of executive dysfunction.