Psychological Testing
Basic Characteristics of tests
Test reliability - ability to get the same results under different circumstances
1.
retake the test
2.
same results when scored by different people
3.
divide the test in half and should have same results
Test validity - ability to measure what it is supposed to measure
Establishing norms - percentile system
Mean - average
Median - middle score
Mode - most occurring
Intelligence tests
Alfred Binet
Mental age and a chronological age
Stanford-binet
IQ - intelligence quotient
Mental age divided by chronological age X 100
Controversy over IQ tests
Genetics
Environmental differences
A symphony is to a composer as a book is to what?
Dove counterbalance test
Measuring abilities and interests
Aptitude tests - discover person’s talents and predict ability to learn a new skill
Ex. ASVAB
Achievement tests - measure how much a person has already learned in an area
Ex. Quiz on Friday
Interest tests - determine preferences, attitudes and interests
Ex. Career tests
Personality tests
Objective personality tests - forced choice
Ex. Color test, Sanguine test
Projective personality tests - open-ended examinations
Ex. TAT
Ex. Rorschach ink-blot test
Situational tests - measures performance in terms of emotional, attitudinal,
behavioral responses to true-life situations
Ex. Job tests
Ex. Drivers test
Wechsler tests
more emphasis on performance
details of strengths and weaknesses in a variety of areas
Group tests
Ex.
SAT/ACT