By Paul Kline

ISBN-10: 1138905119

ISBN-13: 9781138905115

Psychological checks offer trustworthy and goal criteria wherein participants might be evaluated in schooling and employment. accordingly actual decisions needs to rely on the reliability and caliber of the checks themselves. initially released in 1986, this instruction manual by way of an across the world stated professional supplied an introductory and entire remedy of the company of creating solid tests.

Paul Kline exhibits tips on how to build a try out after which to examine that it really is operating good. masking such a lot different types of assessments, together with desktop awarded checks of the time, Rasch scaling and adapted trying out, this name bargains: a transparent creation to this complicated box; a word list of expert phrases; an evidence of the target of reliability; step by step tips throughout the statistical techniques; an outline of the recommendations utilized in developing and standardizing checks; guidance with examples for writing the try out goods; laptop courses for lots of of the techniques.

Although the pc trying out will unavoidably have moved on, scholars on classes in occupational, academic and scientific psychology, in addition to in mental checking out itself, may nonetheless locate this a necessary resource of data, information and transparent explanation.

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**Extra info for A Handbook of Test Construction: Introduction to Psychometric Design**

**Example text**

Ipsative scoring The standardization of a subject’s score in terms of that subject’s own performance on similar items. Item analysis A procedure for evaluating the effectiveness of an item in a test. This can involve correlating items with the total score on the test, factor-analysing items, Rasch scaling the items or subjecting the items to other estimations of their characteristic curves. Mean The average of a set of scores. Multiple regression A statistical method for computing the correlation between a set of variables and a criterion variable.

2. Educational tests—Design and construction. 3. Employment tests—Design and construction. I. Title. ) Contents Preface Glossary of terms 1 The characteristics of good tests in psychology Types of scale Reliability Validity Discriminatory power Classical theory of error in measurement Standardization and norms Some other models of test responses Conclusions and summary 2 Making tests reliable I: Intelligence and ability. Item writing Instructions Items for intelligence tests Tests of ability and attainment Conclusions 3 Making tests reliable II: Personality inventories.

Clearly, then, given the classical model of error variance, reliability is highly important. Test homogeneity and reliability The reliability of a test is related to the average correlation among the items, that is its homogeneity. However, since item correlations are obviously not identical, there must be a distribution of these around the mean. In the classical model of measurement it is assumed that this distribution is normal. Given this assumption, as Nunnally (1978) points out, it is possible to estimate the precision of the reliability coefficient by computing the standard error of the estimate of the average item intercorrelation in the whole universe of items.

### A Handbook of Test Construction: Introduction to Psychometric Design by Paul Kline

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