There is an entire family of t distributions that vary in shape according to the degrees of freedom used to estimate the standard error. However, for any given degrees of freedom, there is/are only ______ t distribution(s).
A. 0
B. 1
C. 2
D. 3
Answer: B
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Which of the following is associated with crystallized intelligence rather than with fluid intelligence?
A. Size of vocabulary B. Pattern recognition C. Speed of learning D. Abstract reasoning
Which of the following is true of parent-child relationships in middle childhood?
A) Children spend more time with their mothers than with their fathers. B) Children and parents spend more time together in middle childhood than in the preschool years. C) Parents provide more direct feedback than they did in the preschool years. D) Parents monitor their children's activities most closely during middle childhood.
Which of the following is a type of design which may be useful when you are not able to introduce an independent variable into a situation, in which it would have been naturally introduced anyway?
A) Experimental design B) Within-subjects design C) Natural Observation design D) Quasi-experimental design
A hamster, when put in endless darkness, will display activity that fits a 23-hour day. This rhythm that the hamster is displaying is a(n)
a. endogenous rhythm. b. pacemaker. c. entrained rhythm. d. internal rhythm. e. external rhythm.