Observational Methods

Exemplar Study: Can You Accurately Judge Romantic Interest? (Mixed Design)

This study sought to determine whether a third party could discern romantic interest between two strangers. To test this, male and female observers watched video clips of speed-dating situations to determine the individual speed dater’s level of romantic interest toward the speed-dating partner. Participants observed clips of different lengths (10 vs. 30 s), and from …

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Exemplar Study: Smells Like Clean Spirit (Two-group Design/Simple Experiment)

In three studies, the authors examined unconscious influence of smell on behavior. Study 3 used a two-group design to examine the direct effect of citrus scent (exposed vs. nonexposed) on cleaning-related behaviors. The judges recorded the frequency of participants’ crumb removal while eating. Holland, R. W., Hendriks, M., & Aarts, H. (2005). Smells like clean …

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