Week 6

Question 1

Different types of IQ and age

Answer 1

Verbal scores are stable
Non verbal scores decrease after 20s
Crystallised increases with age
Fluid steadily declines from mid adulthood
generally IQ increases with age, peaks at mid 20s, then declines

Question 2

Flynn effect

Answer 2

Increasing IQ trend over time

Question 3

Culture fair tests

Answer 3

Series
Classification
Matrices
Conditions

Question 4

Content validity

Answer 4

Measures what it’s supposed to measure for different groups fairly and equally

Question 5

Criterion/predictive validity

Answer 5

Provides a valid prediction of all individuals future performance

Question 6

Construct validity

Answer 6

Provides meaningful insight into current theory for all cultures equally

Question 7

Construct bias

Answer 7

Construct measured is not equivalent across cultural groups

Question 8

Intellectual vs learning disability

Answer 8

ID is general, LD is specific ability

Question 9

Intellectual disability cutoff

Answer 9

Less than 70

Question 10

Giftedness cutoff

Answer 10

More than 130

Question 11

Adaptive behaviour skills

Answer 11

Conceptual
Social
Practical

Question 12

Explanations for the Flynn Effect

Answer 12

1. Participant characteristics
   Rising levels of education
   Opportunity for education among different groups
   Increased familiarity with IQ tests
2. Methodological explanations
   Changes in measures from one sampling period to another
   Changes in motivation, effort, etc,
   Changes in stimulating environments
3. Biological explanations
   Improved nutrition
   Infectious diseases
   Heterosis