Oddly Wired
← all facts
perception

You prefer things just because they are familiar.

A 1968 study by Robert Zajonc demonstrated that participants rated stimuli more favorably as their exposure frequency increased.

The explanation regarding 'less processing energy' is a later theoretical model (processing fluency) and not the original conclusion of the 1968 study.

You confuse your comfort with something with its actual quality.

Where this comes from

Study
Robert Zajonc, 1968, Journal of Personality and Social Psychology
What the check found
While Zajonc's 1968 study did establish the mere exposure effect, the neurobiological justification provided is a modern interpretation of cognitive fluency, not the original 1968 finding.
Confidence
Solid, with limits

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.