George creates a new happiness scale and gives it to a sample of college students twice. Scores were consistent over time, which means that George’s scale is:
a. valid.
b. reliable.
c. negatively correlated.
d. confounded.
ans: reliable
You might also like to view...
Generally, data for ______ are presented in line graphs.
A. ordinal variables B. categorical variables C. ratio variables D. continuous variables
Suppose you are thinking about a male student whom you met during your first year of college
You can recall that he knew your high school English teacher, that he didn't like his roommate, that he was average height and weight, and he wore glassesâ€"but you cannot remember his name. This situation is an example of a. graceful degradation. b. spontaneous generalization. c. serial processing. d. default assignment.
Dr. Borgen skips lunch to avoid that afternoon dip in alertness. This strategy will ______.
A. be quite effective B. be somewhat effective C. not be effective unless there is exposure to light during that time D. not be effective at eliminating the slump
Which of the following is not a concern about the effects of sexually transmitted diseases on reproduction?
a. Some STDs can cause scarring in the reproductive organs, making conception difficult. b. Some STDs can directly infect the fetus. c. Some STDs can cause severe limb malformations. d. Some STDs can interfere with healthy postnatal development.