A problem with using random assignment to produce equivalence between an experimental
and a control group is that:
a. it doesn't work well without matching.
b. it increases the amount of extraneous variability.
c. it reduces the internal validity of the experiment.
d. it can yield nonequivalent groups on occasion.
D
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What are the aspects of time?
a.) long-term and short -term changes b.) events c.) life course perspective d.) all of the above
Anne is investigating the influence of factors such as room temperature, humidity and room lighting on how many mistakes an individual makes on a computer-based reaction time game. Which of the following statistical tests best suits her study design?
a. Linear regression b. Chi-square test c. Pearson correlation d. Spearman rank order correlation
Which of the following periods of time did not include an expansion of government intervention in child welfare?
a. The Progressive Era b. The Depression c. Immediately after World War II d. The 1970s
Identify 2 of the 4 purposes of the effort to disseminate evaluation findings, including an explanation and action needed by the evaluator.
What will be an ideal response?