The lines between racial and ethnic groups are:
a. separated by nature and nurture
b. very obvious
c. vague and unclear
d. historically defined
c. vague and unclear
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If a research study has population validity, this means that
a. the sample statistic and the corresponding population variable are identical. b. the research measures are appropriate for the target population. c. the research design is appropriate for the target population. d. the sample is representative of the population from which it was selected.
Group-administered intelligence tests are very similar in structure and format to group- administered achievement tests
Indicate whether the statement is true or false
If a researcher wants a more precise confidence interval, which of the following would be calculated?
a. 99.9% confidence interval b. 99% confidence interval c. 95% confidence interval d. 90% confidence interval
Name the nonexperimental research designs that emerge from crossing the time and research objective dimensions. Give an example of three of these designs.
What will be an ideal response?