UNIT 7

PROGRESS CHECK ANSWER KEYS

MODULE 1
Progress Check 1
1. mode
2. mean
3. median
4. negative
5. Subjects achieve similar scores when retested.
6. The degree to which the test measures what it claims to measure.
7. frequency polygons

8. a. high negative
b. low positive
c.high positive
d. perfect negative (-1.00)

Progress Check 2
1. a. 82.5
b. 90
c. 84

2.(picture of a graph)
3. a.perfect positive
b.none (zero)
c.low negative
d. high negative

4. scatter plot
5. a
6. a high score on the other
7. (1) c
(2) a
(3) b


MODULE 2
Progress Check 1

1. slow learners
2. c
3. a
4. (1) a,d,e
(2) b, c
5. (1) a,b,c,e
(2) a, d

6. b,c

Progress Check 2

1. c
2. (1) c
(2) a
(3) b, d

3. b
4. b
5. b
6. group
7. d

MODULE THREE
Progress Check 1

1. factor analysis
2. primary mental abilities
3. b,c
4. increase rapidly
5. c
6. Any five of the following:
verbal comprehension
word fluency
number
space
memory
perception
reasoning

7. predictive validity

Progress Check 2
1. isolate elements of intelligence
2. a
3. Seven primary mental abilities and a general factor
4. Any five of the following:
verbal comprehension
word fluency
number
space
memory
perception
reasoning

5. longitudinal
6. Younger people have grown up in an environment more
conducive to high IQ's.
7. b

MODULE 4
Progress Check 1

1. a,c
2. 70
3. b,c
4. 130
5. b
6. IQ reflects educational opportunity. Tests were not culture-fair.

Progress Check 2
1. Two of the following:
More gifted children come from higher socioeconomic levels.
More gifted children are emotionally well adjusted.
Gifted children are most successful in later life.
Gifted children are above average in height, weight, and physical development.

2.
1--gifted
2-- nommal
3--normal
4--normal
5--retarded
6--gifted

3. no difference in overall intelligence, just in specific abilities

4. The fact that minority children are usually from lower socioeconomic levels; they have fewer or poorer educational opportunities tests are not culture-fair.

MODULE 5
Progress Check 1

1. aptitude test
2. aptitude
3. d
4. c
5. a,b
6. c

Progress Check 2
1. b
2. aptitude tests
3. a,b
4 (1) d
(2) a
(3) b, c
5. c
6. interest test
7. some previous reaming or achievement

MODULE 6
Progress Check 1

1. an interaction of hereditary and environmental factors
2. b
3. c,d
4. comparison of identical twins reared together and separately
5. The identical twins have identical heredity (nature).
The identical twins have very similar environments (nurture).

Progress Check 2
1. b
2. b
3. Environmental influences have some effect on intelligence.
4. c
5. b,c

UNIT 7 Table of Contents

Psych 200 Home Page

June 3, 2002