“Furr & Bacharach (2014). Estimating practical effects: Binomial effect size display, Taylor-Russell tables, utility analysis and sensitivity / specificity.” – Article summary

Validity refers to the degree to which evidence and theory support the interpretations of test scores entailed by the proposed uses (e.g. to what degree does it measure what it is supposed to measure). Items of a test itself cannot be valid or invalid, only the interpretations can be valid or invalid.Validity is a property of the interpretation (1), it is a matter of degree (2) and the validity of a test’s interpretation is based on evidence and theory (3). Validity influences the accuracy of our understanding of the world, as research conclusions are based on the validity of a measure.Construct validity refers to the degree to which test scores can be interpreted as reflecting a particular psychological construct. Face validity refers to the degree to which a measure appears to be related to a specific construct, in the judgement of nonexperts, test takers and representatives of the legal system. Convergent validity refers to the degree to which test scores are correlated with tests of related constructs.Validity is important for the accuracy of our understanding of the world (1), decisions on societal level (e.g. laws based on ‘invalid’ research) and decisions on individual level (3) (e.g. college admissions).The validity of test score interpretation depends on five types of evidence: test content (1), consequences of use (2), association with other variables (3), response processes (4) and internal structure (5).Test content can be seen as content validity. There are two threats to content validity:A test including construct-irrelevant contentThe inclusion of content that is not relevant to the construct of interest reduces validity.Construct underrepresentationA test should include the full range of content that is relevant to the construct.Construct underrepresentation can be constrained by practical issues (e.g. time of a test). The internal structure of a test refers to the way the parts of a test are related to each other....


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Scientific & Statistical Reasoning – Article summary (UNIVERSITY OF AMSTERDAM)

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This bundle contains all the summaries for the course "Scientific & Statistical Reasoning" given at the University of Amsterdam. It contains the following articles:

  • “Borsboom & Cramer (2013). Network analysis: An integrative
...

Scientific & Statistical Reasoning – Summary interim exam 3 (UNIVERSITY OF AMSTERDAM)

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This bundle contains everything you need to know for the fifth interim exam for the course "Scientific & Statistical Reasoning" given at the University of Amsterdam. It contains both articles, book chapters and lectures. It consists of the following materials:

...
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Summaries & Study Note of JesperN
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