Evaluation Glossary

Halo Effect

A type of rater effect in which an assessor or an evaluator tends to base overall judgments or evaluations on selected pieces of information rather than on all available relevant information.


Patricia Wheeler, Geneva D. Haertel, and Michael Scriven. (1992). Teacher Evaluation Glossary, Kalamazoo, MI: The Evaluation Center, Western Michigan University.

Related Terms

First-impression Effect