Random assignment of participants to conditions has the advantage over other methods of assignment in that:
a. it places equal numbers of participants in each group.
b. it ensures that each condition precedes and follows every other condition equally often.
c. it controls for known confounding variables.
d. it controls for both known and unknown confounding variables.
D
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The section of the brain associated with touch is the
a. limbic system. b. occipital lobe. c. parietal lobe. d. frontal lobe.
When the probability the results of a research study were due to chance is less than 5%, the results are said to be:
a. correlational b. non-correlational c. statistically significant d. statistically insignificant
A criticism of career and technical education programs is that
A) the programs are sometimes considered dumping grounds for less academically inclined students or those who are disruptive and have discipline problems. B) students have a more difficult time finding jobs after graduation. C) students are much less likely to graduate from high school. D) students are more likely to be unemployed shortly after graduation.
When playing, 6-month-olds typically
A) pay attention to the characteristics of each object. B) treat all objects the same way. C) begin symbolic play. D) imitate their older siblings.