Psychological tests by the author of “Herbert W. Marsh”

Take free, research-backed psychological tests and get clear, private results in minutes.

All tests

Self-Description Questionnaire III in a humanities classroom.
  • self-esteem
Self-Description Questionnaire III (SDQ-III)
35 questions7 min
This self-report instrument assesses multiple facets of self-concept across distinct life domains. The Self-Description Questionnaire III (SDQ-III) is intended to support...
School Attitude Scale shows a student studying.
  • ethnopsychology
  • migrants
School Attitude Scale (SESSW)
9 questions2 min
This brief self-report measure is designed to characterize adolescents’ perceptions of school and related academic attitudes. The School Attitude Scale (SESSW) can be use...
Research-backed
Every test is validated and drawn from peer-reviewed clinical research.
Private by default
Your answers are encrypted, never sold and never shared with anyone.
Instant results
Get a clear, readable interpretation the moment you finish.