Submitted by: Submitted by unadutoit
Views: 579
Words: 15856
Pages: 64
Category: Philosophy and Psychology
Date Submitted: 10/23/2012 07:26 AM
PSYCHOLOGICAL ASSESSMENT
PYC4807 / PSY4988
ASSIGNMENT 02:
DUE DATE: 9 JULY 2012
UNA DU TOIT
STUDENT NO: 31295525
CONTENTS
Page
1 INTRODUCTION……………………………………………………………………………………… 1
2 PLANNING PHASE…………………………………………………………………………………… 1
* 2.1 Specifying the aim of the measure……………………………………………………………….. 1
* 2.2 Defining the content of the measure…………….……………………………………………….. 2
* 2.3 Developing the test plan ………………………………………………………………………… 3
3 ITEM WRITING……………………………………………………………………………………….. 4
* 3.1 Writing the items…………………………………………………………………………………… 4
* 3.2 Reviewing the items……………………………………………………………………………….. 5
4 ASSEMBLING AND PRE-TESTING THE EXPERIMENTAL VERSION OF THE MEASURE… 6
4.1 Arranging the items…………………………………………….………………………………… 6
4.2 Finalising the length…………………………………………………….………………………… 6
4.3 Answer protocols………………………………………………………………………………….. 6
4.4 Developing administration instructions…………………………………………………………. 6
4.5 Pre-testing the experimental version of the measure…………………………………………. 6
4 ITEM ANALYSIS PHASE…………………………………………………………………………….. 7
5.6 Determining item difficulty (p)…………………………………………………………………… 7
5.7 Determining discriminating power……………………………………………………………… 8
5.8 Item response theory………………….…………………………………............................... 9
5.9 Criteria used for item selection ………………………………………………………………… 10
5 REVISING AND STANDARDISING THE FINAL VERSION OF THE MEASURE…………….. 10
6 TECHNICAL EVALUATION AND ESTABLISHING NORMS…………………………………….. 10
7.10 Establishing Reliability…………..……………………………………………….……………… 10
7.11.1 The concept of Reliability ……………………………………………………………… 10
7.11.2 Types of Reliability …………………………………...………………………………… 12
7.11.3 Factors affecting Reliability ……………………………………………………….....…. 17
7.11.4 What is...