What is the term for the onset of menstruation?
a) puberty
b) periods
c) maturation
d) menarche
d
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If a test measures what it is supposed to be measuring, then we can say that the test is:
A. reliable B. consistent C. valid D. organic
Bullies who beat up other kids because they get payoffs of various types from their actions apply
a. proactive aggression. b. relational aggression. c. rough-and-tumble play. d. reactive aggression.
A recent survey of children's video-game use reported that about what percentage of video-game players can be described as pathological, with consequences for their physical and cognitive/academic functioning?
a. 8% c. 26% b. 17% d. 40%
In employing a correlated groups design, one possible drawback is _________
a. the increased number of statistical computations b. random errors are likely to be greater c. reduction in the degrees of freedom d. none of these