Modern Psychometrics: The Science of Psychological Assessment / Edition 3

Modern Psychometrics: The Science of Psychological Assessment / Edition 3

by John Rust, David Stillwell, Michal Kosinski
     
 

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ISBN-10: 0415442168

ISBN-13: 9780415442169

Pub. Date: 01/14/2009

Publisher: Taylor & Francis

Today psychometrics plays an increasingly important role in all our lives as testing and assessment occurs from preschool until retirement. This book introduces the reader to the subject in all its aspects, ranging from its early history, school examinations, how to construct your own test, controversies about IQ and recent developments in testing on the

Overview

Today psychometrics plays an increasingly important role in all our lives as testing and assessment occurs from preschool until retirement. This book introduces the reader to the subject in all its aspects, ranging from its early history, school examinations, how to construct your own test, controversies about IQ and recent developments in testing on the internet.

In Part one of Modern Psychometrics, Rust and Golombok outline the history of the field and discuss central theoretical issues such as IQ, personality and integrity testing and the impact of computer technology and the internet. In Part two a practical step-by-step guide to the development of a psychometric test is provided. This will enable anyone wishing to develop their own test to plan, design, construct and validate it to a professional standard. This third edition has been extensively updated and expanded to take into account recent developments in the field, making it the ideal companion for those studying for the British Psychological Society’s Certificates of Competence in Testing.

Modern Psychometrics combines an up to date scientific approach to the subject with a full consideration of the political and ethical issues involved in the large scale implementation of psychometrics testing in today’s highly networked society, particularly in terms of issues of diversity and internationalism. It will be useful to students and practictioners at all levels who are interested in psychometrics.

Product Details

ISBN-13:
9780415442169
Publisher:
Taylor & Francis
Publication date:
01/14/2009
Edition description:
REV
Pages:
272
Product dimensions:
0.67(w) x 0.97(h) x 0.90(d)

Table of Contents

List of Figures and Tables ix

Preface to the Third Edition xi

Acknowledgement xiii

Part 1

1 The development of psychometrics 3

Psychometrics today 5

The history of psychometrics 5

Issues in intelligence testing 12

The ethics of IQ testing 22

Summary 25

2 The objectives of testing and assessment 27

Psychometrics and sociobiology 28

Is psychometrics a science? 30

What does psychometrics measure? 31

The theory of true scores 34

The true psychometrics: trait or function? 36

Summary 42

3 The process of test construction 43

Knowledge-based and person-based questionnaires 44

Objective and open-ended tests 45

Norm-referenced and criterion-referenced testing 47

Obtaining test scores by summing item scores 50

The correction for guessing in objective knowledge-based tests 53

Summary 53

4 Item analysis 55

Classical item analysis statistics for knowledge-based tests 56

Classical item analysis for person-based tests 59

Item analysis in criterion-referenced testing 60

Psychological traits, true scores and internal test structure 61

Summary 69

5 Characteristics of tests 71

Reliability 72

Validity 78

Standardisation 81

Normalisation 85

Summary 88

6 Bias in testing and assessment 89

Bias and fairness 90

Forms of bias 91

Item bias 92

Intrinsic test bias 97

Extrinsic test bias 101

Summary 103

7 Factor analysis 105

The correlation coefficient 112

The application of factor analysis to test construction 106

Criticisms of the classical factor analytic approach 117

Special uses of facto analysis in test construction 119

Summary 120

8 Using psychometrics in educational settings 121

Questioning the examinationsystem 122

Measuring ability in schoolchildren 128

Measuring achievement in schoolchildren 130

Ability-achievement discrepancy analysis 132

Summary 137

9 Personality theory and clinical assessment 139

Definitions of personality 141

Genetic vs. environmental influences on personality 142

Theories of personality 144

Types vs. traits 150

Approaches to personality assessment 151

Sources and management of sabotage 156

Informal methods of personality assessment 159

State vs. trait measures 160

Ipsative scaling 160

Spurious validity and the Barnum effect 161

Assessment in clinical psychology 162

Summary 163

10 Psychometric assessment of personality in occupational settings 165

The Big Five model 166

Orpheus: a work-based personality questionnaire that assesses the Big Five 167

The Orpheus scales 175

The psychometric characteristics of Orpheus 178

Using Orpheus 179

Summary 181

11 Ethical test use and integrity testing 183

Administrative procedures for psychometric testing 184

Integrity testing 187

Theories of integrity 191

Giotto: a psychometric test of integrity 192

Summary 195

12 Psychometrics in the information technology age 197

Computerisation 198

Artificial intelligence 203

Summary 208

Part 2

13 Constructing your own questionnaire 211

The purpose of the questionnaire 212

Making a blueprint 212

Writing items 227

Designing the questionnaire 221

Piloting the questionnaire 224

Item analysis 225

Reliability 228

Validity 230

Standardisation 232

Bibliography 235

Index 249

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