In order to estimate the average (mean) weight of all professional football players, an investigator determines the weight of the "Dallas Cowboy" players. The Dallas Cowboys are a _________
a. population c. sample
b. parameter d. statistic
C
You might also like to view...
Which statement BEST supports the idea that epigenetic factors are involved in obesity?
A. About 7% of the children of normal-weight parents are obese, compared with 40% of the children in families with one obese parent and 80% in families with two obese parents. B. There is no significant correlation in weight between adopted siblings who are raised together. C. A belief that obese people have no control over their weight leads people to feel they have less control over their own weight. D. Men were at twice the risk of developing weight problems in adulthood if their mothers had lost their husbands during or immediately before the pregnancy.
When a group of people are chosen to represent a larger population and are asked about their attitudes, behaviors, or thinking on a given topic, this is considered what type of research?
A. ethnographic B. case study C. experimental D. survey
According to the requirements of "informed consent," research participants in a blind, placebo-controlled study will be told
A. that they may or may not receive an active treatment. B. that they will not receive active treatment until the research study is over. C. if they are in the placebo group or the treatment group. D. only that they are participants in a research study and that they can quit at any time.
Dittes and Kelley (1956) had participants take part in small group discussions. Prior to this, anonymous written evaluations led participants to believe that other group members either liked them or disliked them. Results showed that students who believed they were liked were more attracted to the group than those who believed that they were disliked. Such findings demonstrate that _________ is partly responsible for attraction.
a) Status b) Familiarity c) Complementarity d) Reciprocity