Suppose a Researcher Has Trained Two Observers to Rank Participants

question 33

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

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