Identify the three types of nonequivalent control group designs discussed in the text noting possible advantages or disadvantages of each
What will be an ideal response?
Posttest-only designs have no equivalent control group for comparison, and there are no pretest measures to establish the equivalency of groups. Pretest/posttest designs allow us to compare the groups on the pretest and posttest, and to compare within groups from pretest to posttest. However, because participants are not randomly assigned, we cannot say they are equivalent. Time-series designs allow us to see the effect of the treatment over time because many measures are taken. There is a nonequivalent control group available for comparison; however, because participants are not randomly assigned, we cannot say they are equivalent.
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After having completed and done well at the 500-mile endurance triathlon, Rob declares it the most satisfying experience of his 37 years of life. This might be labeled a(n) _____
A) condition of worth B) moment of self-actualization C) peak experience D) defining moment
Humans are most sensitive to frequencies in the range of ______.
A. 4,000-10,000 Hz B. 2,000-10,000 Hz C. 2,000-10,000 Hz D. 10,000-12,000 Hz