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:
Furr & Bacharach – Chapter 8 |
Furr & Bacharach – Chapter 9 |
Article: Cohen |
Article: Cohen (Item response theory) |
Field: Chapter 18 |
There are four procedures to present the implications of a correlation in terms of our ability to use the correlations to make successful predictions:
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
........Read moreScaling refers to assigning numerical values to psychological attributes. Individuals in a group should be similar to each other in the regard of sharing a psychological feature. There are rules to follow in order to put people in categories:
The item response theory (latent trait theory) provides a way to model the probability that a person with X ability will be able to perform at level of Y. It models the probability that a person with X amount of a personality trait will exhibit Y amount of that trait on a test that is supposed to measure
........Read moreA utility analysis refers to a family of techniques that entail a cost-benefit analysis designed to yield information relevant to a decision about the usefulness and/or practical value of a tool of assessment. It is done in order to see whether the benefits of using a test outweigh the costs of that test. The objective of a utility
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