Two Student Researchers Wish to Determine the Degree of Interobserver

Multiple Choice

Two student researchers wish to determine the degree of interobserver reliability they achieved in their study.They observed individual students who were approaching another person on a campus path.The two observers both independently recorded whether or not each observed student greeted the other person.Which of the following measures should the student researchers use to assess interobserver reliability?

A) Pearson Product-Moment correlation
B) Spearman's rank-order correlation
C) interobserver coding measure
D) percentage agreement measure