Although their formulas are similar, one difference between the z-score (z) and the t-statistic (t) is that ______.
a. only the denominator of the z-score formula (not the t-statistic) is a measure of variability
b. z-scores evaluate sample means whereas t-statistics evaluate individual scores
c. only the numerator of the z-score formula (not the t-statistic) is the difference between means
d. the z-score evaluates individual scores whereas the t-statistic evaluates sample means
d. the z-score evaluates individual scores whereas the t-statistic evaluates sample means
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Situational tests in observational studies have the advantage of
a. increasing the probability that the behavior one wants to study will occur. b. ease of obtaining comparable data. c. ease of training observers. d. All of these are true.
A review of research in many areas of research will often reveal:
A) mixed or contradictory findings B) definitive findings C) very few related empirical studies D) ground breaking studies
One of the three general types of finger puppets is the two-finger puppet
a. True b. False
Teachers who spend more time among their students exert greater stimulus control over their behavior than teachers who remain at their desks
Indicate whether the statement is true or false