A psychologist has been invited to give a talk on the effects of family size and structure on intelligence. Which of these would be the best title for the talk?
a) Relationship Between Family Size, Birth Order, and Intelligence: Confounding Variables May Play a Big Role
b) "Parents Can Influence IQ by Spacing Their Children"
c) "Advice to Parents: Fewer Children Means Higher IQs"
d) "Birth Order and Intelligence: Middle Born Equals High IQ"
A
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The dilemma facing the experimenter is determining how large a difference between the
sample means is enough to decide that something other than _____ is at work in the experiment. a. the independent variable b. a treatment effect c. sampling error d. systematic variation
Applied behavior analysis (or behavior modification) teaches acceptable behaviors by reinforcing simple behaviors and then advancing to more complex behaviors. What does this idea apply?
a. Piaget's concept of conservation b. Erikson's stages of development c. Skinner's procedure of shaping d. Pavlov's procedure of classical conditioning