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31)If a psychologist rating empathic responses to strangers' distress a
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# Question : 31)If a psychologist rating empathic responses to strangers' distress a : 1991683

31)If a psychologist rating empathic responses to strangers' distress on a scale of 1 to 20 finds that most participants have ratings of 8, 12, or 16, the distribution of ratings is

A)rectangular.

B)unimodal.

C)multimodal.

D)normal.

32)If someone told you that a distribution showed a ceiling effect, you would surmise that it is

A)symmetrical.

B)positively skewed.

C)negatively skewed.

D)rectangular.

33)If someone told you that a distribution showed a floor effect, you would surmise that it is

A)symmetrical.

B)positively skewed.

C)negatively skewed.

D)rectangular.

34)A normal curve is

A)bimodal.

B)symmetrical.

C)kurtotic.

D)skewed.

35)Another way to describe a positively skewed distribution is to say that

A)the distribution is skewed to the left.

B)the distribution is skewed to the right.

C)more scores are piled up at the high end of the range.

D)it illustrates a ceiling effect.

36)Another way to describe a negatively skewed distribution is to say that

A)the distribution is skewed to the left.

B)the distribution is skewed to the right.

C)more scores are piled up at the low end of the range.

D)it illustrates a floor effect.

37)When a distribution is heavy-tailed, it is

A)flatter than a normal curve.

B)skewed to the right.

C)skewed to the left.

D)more peaked than a normal curve.

38)When a distribution is light-tailed, it is

A)flatter than a normal curve.

B)skewed to the right.

C)skewed to the left.

D)more peaked than a normal curve.

39)The proportions of the axes in a graphic display should usually be

A)square (1 up to 1 across).

B)rectangular wide (about 1½ across to 1 up).

C)rectangular tall (about 1½ up to 1 across).

D)rectangular long (about 1 up to the number of intervals across).

40)A frequency table is most likely to be included in a research article when

A)the variable involves categories.

B)there are a very small number of scores.

C)a correlation is being reported.

D

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