The introduction of the alternative hypothesis has no effect on how we go about conducting ______.
a. significance tests
b. means tests
c. null hypotheses
d. qualitative tests
Ans: A
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Dave, a graduate student, has difficulty talking to groups. The night before a presentation he tosses and turns; the resulting lack of sleep makes the situation worse. When he makes a presentation he becomes confused and stumbles over his words
As a result, he feels worthless and miserable. Which criteria of abnormal behavior are most useful in analyzing this case? a) dysfunctional and statistical rarity b) dysfunctional and personal distress c) deviance from social norms and statistical rarity d) deviance from social norms and personal distress
During and after puberty:
boys become much stronger than girls. both genders become equally strong. girls become weaker than during elementary school. girls become thinner than during elementary school.
In a number of African cultures, anxiety is expressed as ______
a. fears of failure in procreation, in dreams, and complaints about witchcraft b. trancelike states c. physical symptoms such as headaches, fatigue, or weakness d. feelings of guilt or sadness
Which of the following is true of a control group?
A. It consists of randomly selected subjects who receive treatment in an experiment. B. It is involved in the frequent manipulation of all conditions in an experiment. C. It consists of those subjects who do not receive treatment in an experiment. D. It is involved in only correlational research in an experiment.