Reference no: EM13342181
1. Research by Blanchflower & Oswald (2008) found that both younger and older adults are happier than adults in their 40’s. This relationship can best be described as a ______________?
positive correlation
negative correlation
curvilinear correlation
no correlation
2. Which of the following is not true of a curvilinear correlation?
increases in one variable are accompanied by increases and decreases in a second variable
when graphed, it appears as an inverted-U shape
when graphed, it appears as a U-shape
when graphed, it is a flat line
3. A measure is reliable if it
A) results in similar scores for the same person.
B) contains a large amount of true score.
C) contains little measurement error.
D) All of these
4. One way to increase the reliability of a measure is to
A) calculate a correlation coefficient.
B) increase the number of items in the measure.
C) decrease the number of items in the measure.
D) be sure there is variability between true score and measurement error.
5. _____ and ______ reliability measure the same individuals at two points in time.
A) Item-total; split-half
B) Split-half; odd-even
C) Alternate forms; item-total
D) Test-retest; alternate forms.
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