The Process to Follow in Developing a Psychological Assessment Measure

PYC4802 |

PSYCHOLOGICAL ASSESSMENT |

Assignment 2 – Unique number: 336135 |

|

Bonita Talana Barnard |

7/9/2012 |

Psychometric properties of psychological assessment measures as well as the steps to be followed in the adaptation of an assessment measure for cross-cultural application

“Everything is possible;

The impossible just takes a bit longer!”

- Anonymous -

This assignment is a comprehensively discussion of the process that one need to follow in developing a psychological assessment measure. This process includes the steps that need to be taken; how to choose items for the test, how to evaluate the reliability and validity of the test as well as the issue of establishing norms. This discussion is furnished with examples where applicable. The steps that should be followed in the adaptation of an assessment measure for cross-cultural application and a brief explanation of what each step involves are being discussed as well. |

T A B L E O F C O N T E N T S

SECTION A

1. INTRODUCTION 4

2. PLANNING PHASE 4

3.1. Specifying the aim of the measure 4

3.2. Defining the content of the measure 5

3.3. Developing the test plan (specifications) 6

3. THE ITEM WRITING PHASE 8

4.4. Writing the items 8

4.5. Reviewing the items 9

4. ASSEMBLING AND PRE-TESTING THE EXPERIMENTAL VERSION OF THE MEASURE 9

5.6. Arranging the items 9

5.7. Finalizing the length 10

5.8. Answer protocols 10

5.9. Developing administration instructions 10

5.10. Pre-testing the experimental version of the measure 10

5. THE ITEM ANALYSIS PHASE 10

6.11. Classical test theory item analysis 11

6.12. Item response theory (IRT) item analysis 12

6.13. Criteria used for item selection 12

6....