Which of the following is not an assumption of the t test?
a. The data should be ordinal or nominal
b. The population distribution of scores should be symmetrical.
c. The population mean (m) is known, but the population standard deviation (s) is not known.
d. The sample size is typically less than 30.
a
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The behavioral component of an emotion can take one of two forms: _____ and _____
a. approach; avoidance b. approach; facial expression c. flight; fight d. avoidance; freezing e. posture; vocal tone
Which of the following researchers proposed that perceptual speed is a type of intelligence distinct from other types of intelligence?
a. Charles Spearman b. Howard Gardner c. Robert Sternberg d. L.L. Thurstone
Gender segregation begins to decline during ____, when cross-sex friendships become socially acceptable
a. the preschool years b. the grade-school years c. adolescence d. young adulthood (age 20+)