In the one factor between groups design, systematic variance between groups can be reduced by _____
a. using Tukey's HSD test c. making multiple comparisons
b. improving the design d. using ANOVA instead of t tests
B
"Systematic variance" is variance produced by confounding variables. This source of variance must be reduced (eliminated) by properly controlling all conditions except the treatment condition.
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Describe the gender gap in life expectancy.
What will be an ideal response?
As adults, men with learning disorders ____
a. experience poor job satisfaction b. engage in greater levels of antisocial behavior c. experience greater levels of depression d. perceive lower levels of social support
Which of the following countries reported the highest lifetime rate of alcohol use in the Vega et al. (2002) analysis of international survey results?
a. Canada b. the United States c. the Netherlands d. Mexico
What is an observational research design and how can such an approach further our understanding of abnormal
behavior. What limitations are there of such designs and how can these be overcome? What will be an ideal response?