_______ is the ability to find a significant result when it truly exists.
a. Power
b. Effect size
c. Attrition
d. Generalizability
Ans: A
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Jacques has a big wrestling match coming up, but he fears that he will lose. The week before the match, he claims that he is "really busy with other studies," and does not practice at all. Even though he may not realize he is doing this, he is setting himself up so that he will have an "excuse" in case he loses the match. Jacques is apparently engaging in ________________
Fill in the blank(s) with correct word
Basic research is best described as research done
a. to find solutions to specific problems. b. to seek knowledge for its own sake. c. to improve students' abilities in reading and math. d. with lower animals to avoid ethical issues.
How might the selection of groups in observational studies affect the construct validity of the study?
a) Populations sampled from might be too general. b) Populations sampled from might not be representative. c) Subjects' status on the characteristic of interest might vary systematically. d) Subjects might show random variation on other characteristics of interest.
Which of the following is a true statement about treatment adherence among youth
with asthma? a. They take their medication on less than 25% of the days they are supposed to take them. b. They only take their medication on approximately half of the days they are supposed to take them. c. They take their medication on 75% of the days they are supposed to take them. d. They take their medication the majority of the time (i.e., more than 90% of the time) but often at different times of day. e. Due to discomfort associated with their condition, treatment adherence is rarely an issue.