In random sampling, it is necessarily true that:
A. a representative sample with a normal distribution will result.
B. the sample will have low variability.
C. each sampling unit has an equal probability of being selected.
D. precisely similar samples will be obtained with each replication.
Answer: C
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a. it is the most important source of happiness and ecstasy b. it is essential for your psychological well-being c. it allows you to build relationships with people who you would not otherwise confide in d. all of the above
A post hoc fallacy means a researcher has made what type of error?
a. An error in the design of the pretest and posttest phase of the research b. An error based on the belief that posttest scores can be understood without ANCOVA results c. The belief that what came first necessarily caused whatever came after d. An error of researcher ethics where the researcher has to inform
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A) 370–430 B) 385–415 C) 355–445 D) 305–495 E) 395–405
Which of the following is pointed at in the studies of Lawhon and Watson?
A) children who lack opportunity to have close personal relationships are more likely to experience long-term mental and physical health problems B) children from very small families lack coping skills needed to succeed in life C) schools need to be primarily responsible for the emotional stability of children D) there is no need to overemphasize the need for close personal relationships in children