The Techniques for Equating Demand Characteristics Across Conditions Do Not

The techniques for equating demand characteristics across conditions do not necessarily equate each participant's perceptions of how they can present themselves in the most positive manner. To assess this aspect of participants' perceptions one could use

A) concurrent and retrospective verbal reports.
B) retrospective and introspective reports.
C) introspective and concurrent verbal reports.
D) introspective reports and thinking aloud.