Chapter 2: Problem 11
Sampling bias exists when: A. the sample is representative of the population. B. the sample is not representative of the population. C. two variables are confounded. D. the effect of the independent variable can't be isolated.
Chapter 2: Problem 11
Sampling bias exists when: A. the sample is representative of the population. B. the sample is not representative of the population. C. two variables are confounded. D. the effect of the independent variable can't be isolated.
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Get started for freeThe problem of experimenter bias can be avoided by: A. not informing participants of the hypothesis of the experiment. B. telling the subjects that there are no "right" or "wrong" answers. C. using a research strategy in which neither subjects nor experimenter know which participants are in the experimental and control groups. D. having the experimenter use only nonverbal signals when communicating with the participants.
Researchers must describe the actions that will be taken to measure or control each variable in their studies. In other words, they must: A. provide operational definitions of their variables. B. decide if their studies will be experimental or correlational. C. use statistics to summarize their findings. D. decide how many subjects should participate in their studies.
Which of the following correlation coefficients would indicate the strongest relationship between two variables? A. .58 B. 19 C. -.97 D. -.05
PsyclNFO is: A. a new journal that recently replaced \(P\) sychological Abstracts B. a computerized database containing abstracts of articles, chapters, and books reporting psychological research. C. a reference book that explains the format and techniques for writing journal articles. D. a computerized database containing information about studies that have not yet been published.
A psychologist monitors a group of nursery-school children, recording each instance of helping behavior as it occurs. The psychologist is using: A. the experimental method. B. naturalistic observation. C. case studies. D. the survey method.
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