What Must Be Done to Legitimize the Use of Indirect

Multiple Choice

What must be done to legitimize the use of indirect measurement?

A) The investigator must present clear experimental evidence about the relationship between what is being measured and what it is supposed to represent
B) The investigator must use the indirect measurement for an extended period of time in order to allow enough time for the intervention to demonstrate its effects
C) The investigator must repeatedly measure the target behavior using the indirect measurement
D) The investigator must use a large enough sample size to show that the results will generalize to other populations