Answer:
perceived; actual
Step-by-step explanation:
Meta-analysis: In psychology, the term meta-analysis is defined as a phenomenon in which a researcher or experimenter tends to examine all former results research studies rather than experimenting or conducting whole new research along with the subjects or participants.
The perceived similarity in meta-analysis: An individual tends to develop trust or faith in the person he or she believes to be familiar to them.
The actual similarity in meta-analysis: It predicts attraction in a specified relationship that already exists.