Interested in the number of hours a day the typical student studies at his university, Paul decides to form several samples of students and interview each sample at a different time during the semester, including during the final exam period
Which requirement for probability sampling plans should Paul be especially concerned that he may be violating?
a. the use of opportunistic samples
b. unbiased sample values
c. stability in sample estimates
d. inadequate sample sizes
c
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Freud's approach to understanding human behavior was based on
a. his own scientific research. b. Wundt's and James's writings on human behavior. c. his observation of patients. d. his negative reaction to Skinner's proposal that all human behavior is caused by environmental events. e. applying the scientific method to large groups of subjects.
Which of the following pairs of words would you likely spend the MOST time fixating on
the word chair if you read them in a sentence? a. Arm chair b. High chair c. Broken chair d. Kitchen chair e. Rocking chair