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[PSYC 1002] - Midterm Exam Guide - Everything you need to know! (140 pages long)


Department
Psychology
Course Code
PSYC 1002
Professor
Kim O' Neil
Study Guide
Midterm

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Waterloo
PSYC 1002
MIDTERM EXAM
STUDY GUIDE

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Mari-Lisa Mank
PSYC 1002
Tuesday, September 9, 2014
CH 9: INTELLIGENCE & PSYCHOLOGICAL TESTING
PSYC 1002
9-1
Key Concepts in Psychological Testing
Psychological test: standardized measure of a sample of a person’s behavior
o Measure individual differences
o Abilities; aptitudes; interests; aspects of personality
o *A particular behavior sample may not represent your characteristic
behavior
Principle Types of Tests:
1. Mental Ability Tests most common kind of psychological testing
a. Intelligence Tests
o Measure general mental ability
o Assess intellectual potential
b. Aptitude Tests
o Also measure potential
o Break mental ability into separate components
o Assess specific types of mental abilities
c. Achievement Tests
o Measure previous learning
o Gauge a person’s mastery & knowledge of various subjects
2. Personality Tests
Assess traits
Measure various aspects of personality, including motives,
interests, values, and attitudes
Often referred to as scales b/c there is no right or wrong answer
Standardization & Norms
o Standardization: the uniform procedures used in the administration and
scoring of a test
o Test norms: provide information about where a score on a psychological
test ranks in relation to other scores on that test allow researcher to
convert “raw score” into a percentile
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Mari-Lisa Mank
PSYC 1002
Tuesday, September 9, 2014
CH 9: INTELLIGENCE & PSYCHOLOGICAL TESTING
PSYC 1002
9-2
o Percentile score: indicates the % of people who score at/below the score
one has obtained
o Differences in culture/language/education are important considerations
Reliability
o Repeated measurements should yield reasonably similar results
o Essential to accuracy in measurement
o Can be checked in several different ways
Test-retest reliability = compare subjects’ scores on 2
administrations of a test
o Require computation of correlation coefficients
o Correlation coefficient: numerical index of the degree of relationship b/w
two variables
o *Refer to lecture notes for further detail
Validity
o Validity: the ability of a test to measure what it was designed to measure
o Also used to refer to the accuracy/usefulness of inferences or decisions
based on a test
o Can be estimated in several ways…
1. Content Validity
Content validity: the degree to which the content of a
test is representative of the domain it’s supposed to
cover
2. Criterion-Related Validity
Criterion-related validity: estimated by correlating
subjects’ scores on a test w/ their scores on an
independent criterion (another measure) of the trait
assessed by the test
IQ tests have moderate criterion-related validity
3. Construct Validity
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