After completing an experiment, you find that random assignment has not produced equivalent groups. Explain: (a) how you might resolve this problem and (b) what you could have done to prevent it.
What will be an ideal response?
May vary. For prompt (a), answers may include: have at least 20 subjects in each
group and use nonequivalent variable as a covariate in the statistical analysis using
Analysis of Covariance Run.
For prompt (b), answers may include: use within-subjects design; run power analysis to ensure there are enough subjects in each group; redo random assignment.
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The Peter Principle states that work fills to the amount of time allotted for the work
Indicate whether this statement is true or false.
Many older people resist ageism by continuing to view themselves as being in middle adulthood long after their chronological age would suggest otherwise. In a study of people age 60 and over, __________ percent of the respondents stated that they thought of themselves as middle-aged and only 10 percent viewed themselves as being old
a. 50 b. 75 c. 25 d. 15
Which of the following drugs was legally available in the United States in the 1800s and early 1900s?
a. Rohypnol b. Ecstasy c. Meth d. Opium
The term sex refers to an individual's __________________
Fill in the blank(s) with correct word