Beryl is conducting an observational study and has trained two raters to use the rating instrument. Both of the raters drop out just after the study has begun, so Beryl has to substitute in less well-trained raters. Beryl has increased the risk of ____.
a. low reliability of the measure
b. low strength of the intervention
c. poor reliability of treatment implementation
d. random irrelevancies in the setting
Question 2
Metcalf's research on feelings of warmth' judgments, suggests that
a. participants are very accurate in judging when they are close to the solution of an insight problem.
b. the solutions to insight problems given when participants reported feeling close to a solution were more likely to be incorrect than correct.
c. insight problems are solved gradually, and not in a burst of insight.
d. people's subjective sense of whether they will solve a problem is very accurate.
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