The reliability of observations is most difficult to assess when:
A)there are many observers studying a single group.
B)the observations are recorded using a coding scheme.
C)a number of observers use field notes to record observations on one group.
D)there is a single observer studying one group at one time period.

Question

Quizplus · Accepted Answer

The reliability of observations is most difficult to assess when there is a single observer studying one group at one time period because there is no basis for comparison or cross-verification of the observations made.

The Reliability of Observations Is Most Difficult to Assess When