EMPLOYMENT PSYCHOLOGY 
v 
PSYCHOLOGICAL TESTS... ir st dea, 
What is meant by a psychological test. Classification of tests ac- 
cording to purpose, ability measured, apparatus or material used, 
technique, restrictions on response. Verbal tests. 
VIII 
PsycHoLocIcAL Tests (Concluded) o................. 10+ 
Performance tests. Technique of test construction. Order of 
items. Length of test. Time limits. Directions and fore-exercise. 
Directions for scoring the test. Omnibus tests. Alternative 
forms. Arrangement in series. 
RATING SCALES es ee ee Ee — 
Methods of estimating abilities: Order of merit; grouping; the 
Scott form of man-to-man comparison scale; the scale of alter- 
natives or two steps; per cent scales; multiple-step scales; linear 
scales; descriptive scales; graphic rating scales. 
bi 
RATING Scares (Concluded) ........................ I,2 
Statistical and non-statistical bases for the comparison of rating 
methods. How to make a graphic rating scale. Obtaining the 
ratings. Statistical treatment of ratings. 
QUESTIONNAIRES: THE PERSONAL HisToRY RECORD AND 
THE INTEREST ANALYSIS |, ces cre riots 143 
Definition of a questionnaire. Uses of a questionnaire in an in- 
vestigation of this sort. Characteristics of a good questionnaire. 
Obtaining the data. 
XII 
TEST ADMINISTRATION + vonsnensneesss annum I55 
Preliminary details in test administration. The examiner's atti- 
tude. The testing room. Procedure in testing. 
XIII 
VALIDATION OF THE MEASURING INSTRUMENTS . ......... It, 
Tabulation. Meaning of reliability. Measures of reliability. Cor- 
rection for attenuation. Meaning of validity. Measures of va- 
lidity. Group comparisons. Differentiation of groups by test 
scores. Differentiation of groups by questionnaire items, 
xX 
/T1 
87 
Qu 
IX 
SP 
7 
XT 
32