Spearman proposed the concept of g after he found that
A) test items differed in the extent to which they predicted cognitive performance outside of the testing situation.
B) crystallized and fluid intelligence are easy to distinguish in factor analysis.
C) all test items he examined correlated with one another.
D) separate, unrelated factors, called primary mental abilities, exist.
C
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The speedometer on your car is an example of what kind of scale measurement?
a. Nominal b. Ordinal c. Interval d. Ratio
In the United States, an eight-year-old child would be most likely to die
a. from cancer. b. from some congenital abnormalities. c. as the result of a car accident. d. from child abuse.
Findings from twin and adoption studies of anxiety in children and adolescents suggest that the genetic contribution for anxiety ____
a. decreases with age and environmental influence increases b. decreases with age, along with environmental influence c. increases with age and environmental influence decreases d. increases with age, along with environmental influence
Internet relationships
a. are always superficial in the long run. b. can be just as intimate as face-to-face-ones. c. lack stability. d. decreases the likelihood of deception.