When using a _____ hypothesis, the researcher predicts that the groups being compared will differ, but does not predict how they will differ
a. null
b. directional
c. one-tailed
d. two-tailed
d
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Research presented in your text regarding parenting and self-esteem has found ________________; thus, it would appropriate to conclude that __________________
A) ?a causal link between parenting styles and self-esteem; authoritarian parenting causes the highest self-esteem. B) ?a causal link between parenting styles and self-esteem; authoritative parenting causes the highest self-esteem. C) ?no relationship between parenting styles and self-esteem; neglectful parenting is related to low self-esteem. D) ?a link between parenting styles and self-esteem; no particular parenting style causes higher or lower self-esteem.
The probability of correctly predicting the outcome of a coin toss is p = 1/2. What is the standard deviation of the normal approximation to the binomial distribution for the number of correct predictions in a series of 100 tosses?
A) ?50 B) ?25 C) ?10 D) ?5
If Fobs does not fall into the rejection region in a one-factor within-subjects analysis of
variance, then the _____ . a. alternative hypothesis is accepted b. null hypothesis is not rejected c. sample means are considered to be unequal d. sample variances are equal
Orexin is synthesized by neurons in the
A) posterior hypothalamus. B) thalamus. C) suprachiasmatic nucleus. D) anterior diencephalon. E) reticular activating system.