Multiple Choice
Suppose a researcher has trained two observers to rank participants according to their level of frustration when trying to solve a puzzle.What statistic should be used to determine the extent to which the two observers agree in their rankings of frustration?
A) The Pearson correlation coefficient
B) The Spearman rank-order correlation coefficient
C) The point-biserial correlation coefficient
D) The nonlinear correlation coefficient
Correct Answer:
Verified
Correct Answer:
Verified
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