Iop 3701 Study guides, Class notes & Summaries

Latest exam pack questions and answers and summarized notes for exam preparation.

Latest exam pack questions and answers and summarized notes for exam preparation.

1. Motivate the use of intra scorer and inters corer types of reliability as opposed to other types of reliability (5) Inter-scorer (rater) Inter-scorer (rater) reliability is used to measure the degree to which different raters/observers give consistent approximate scores/measures of the same observable fact. Examiner inconsistency is a possible source of error variance. Inter-scorer (or inter-rater) reliability can be determined by having all the test-takers' test procedures scored by ...

QUESTION 1.1 Differentiate between the following terms/concepts a. Prospect and Probability Distribution • Prospect – A series of wealth outcomes, each of which is associated with a probability • Probability Distribution – A mathematical function that provides the probabilities of occurrence of different possible outcomes b. Utility Function and Expected Utility • Utility Function – A mathematical function which ranks alternatives according to utility to the individual • ...

QUESTION 1 Differentiate between inter-item consistency and inter-scorer (rater) reliability. (5) INTER- ITEM INTER-SCORER Based on the consistency of ratings of a single rater. Based on the consistency of ratings between more than one rater. Inter -item are applicable to items that have a multiple- choice format. Inter-scorer is applicable to open-ended questions, projective techniques and individual intelligence tests Applicable to measures with highly standardised procedures for ...

MODULE CODE: IOP 3701 Industrial Psychological Testing and Assessment ,QUESTION 2 The Employment Equity Act gives clear guidelines on the use of psychological assessment tools. Discuss. In your opinion, is the Act too restrictive or does it improve testing practices? Provide three reasons to support your response. Historically the development of psychological assessments in SA reflected a racially segregated society, they were standardized for whites and they were driven by political id...

IOP 3701 EXAM PACK-2017 PREPARED BY CHIPO MAREGA MAY/JUNE 2016 1. Motivate the use of intra scorer and inters corer types of reliability as opposed to other types of reliability (5) Inter-scorer (rater) Inter-scorer (rater) reliability is used to measure the degree to which different raters/observers give consistent approximate scores/measures of the same observable fact. Examiner inconsistency is a possible source of error variance. Inter-scorer (or inter-rater) reliability can be dete...

2. Discuss the importance of item difficulty and discrimination indices in the analysis of items during the test development process.  Determining item difficulty – p value  This is proportion/percentage of individuals who answer correctly  Number of people who answered correctly divided by number of people who took the measure  The higher correct responses the easier the item  The smaller the percentages of correct responses, the more difficult  No info about charact...

QUESTION 1 Differentiate between inter-item consistency and inter-scorer (rater) reliability. (5) INTER- ITEM INTER-SCORER Based on the consistency of ratings of a single rater. Based on the consistency of ratings between more than one rater. Inter -item are applicable to items that have a multiple- choice format. Inter-scorer is applicable to open-ended questions, projective techniques and individual intelligence tests Applicable to measures with highly standardised procedures for ...

QUESTION 1.1 Differentiate between the following terms/concepts a. Prospect and Probability Distribution • Prospect – A series of wealth outcomes, each of which is associated with a probability • Probability Distribution – A mathematical function that provides the probabilities of occurrence of different possible outcomes b. Utility Function and Expected Utility • Utility Function – A mathematical function which ranks alternatives according to utility to the individual • ...