PsycTESTS - reliability, validity, factor analysis
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Transcript of PsycTESTS - reliability, validity, factor analysis
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PsycTESTS® – Reliability, Validity, Factor Analysis Examples on APA PsycNET®, EBSCOhost, Ovid, and
ProQuestApril 2016
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PsycTESTS® - Reliability, Validity & Factor Analysis
These slides contain supporting material for a post on the APA Databases & Electronic Resources Blog
PsycTESTS - Reliability, Validity & Factor Analysis
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• Reliability is the ability of a test to measure an attribute consistently. If a group of people takes a personality test and many of them get different results from one day to the next, the test has low reliability.
• Validity is the degree to which a test reflects what it is supposed to measure. If a test that is supposed to measure general intelligence actually measures the ability to recall classic literature, the test has low validity.
• Factor Analysis is a mathematical procedure that reduces a set of interrelations among variables to a smaller set of variables. For example, a sociology survey might start with six factors of wealth (income, education, occupation, home value, parks in neighborhood, and crime in neighborhood) and, using statistical correlations, reduce them to just two factors: individual socioeconomic status and neighborhood socioeconomic status.
Psychometric Fields in PsycTESTS
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APA PsycNET® Search
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Open the Test Development Record
APA PsycNET®
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Psychometric Fields & Reported In
APA PsycNET®
Links to original article
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EBSCOhost Search
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Open the Test Development Record
EBSCOhost
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Psychometric Fields & Source
EBSCOhost
Links to original article
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Ovid Search
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Open the Test Development Record
Ovid
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Psychometric Fields & Source
Ovid
Links to original article
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ProQuest Search
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Open the Test Development Record
ProQuest
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Psychometric Fields & Reported In
ProQuest
Search by doi or click the linked Accession Number to view original article
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This presentation was made to support a post on the APA Databases & Electronic Resources Blog.