CLEP Difficulty Guide
Everything you need to know about the difficulty of CLEP Human Growth and Development — pass rates, study time, and which units are toughest.
Moderate
Difficulty
62-70%
Est. Pass Rate
15-25h
Avg Study Time
50
Passing Score
Unit 1: Prenatal Development and Infancy
teratogens and prenatal stages, Piaget's sensorimotor stage, attachment theory (Bowlby/Ainsworth)
Heavy
442 questions
Unit 2: Early and Middle Childhood
preoperational/concrete operational stages, Vygotsky's ZPD, language acquisition theories
Light
53 questions
Unit 3: Adolescence
puberty and brain development, formal operational stage, identity formation (Erikson/Marcia)
Light
40 questions
Unit 4: Adulthood
Erikson's intimacy vs isolation, cognitive changes in midlife, career development theories
Standard
112 questions
Unit 5: Aging, Death, and Dying
cognitive aging and dementia, Kubler-Ross stages of grief, social-emotional selectivity theory
Light
37 questions
CLEP Human Growth and Development is rated Moderate. About 62-70% of test-takers pass on their first attempt. It typically takes 15-25 hours of focused study to pass.
The national pass rate for CLEP Human Growth and Development is 62-70%. With a diagnostic-first approach and targeted practice, PrepLion students typically exceed this rate.
Plan for 15-25 hours of focused study. With PrepLion's diagnostic, you can often skip 30-50% of material you already know, cutting total prep time significantly.
CLEP Human Growth and Development covers 5 units. The difficulty varies by unit — your diagnostic identifies your specific weak spots so you can prioritize them.
Yes, with focused prep. Complete a diagnostic on Day 1 to identify weak areas, practice 2-4 hours per day on gaps, then take a mock exam before the real test. Most students who follow this plan pass.
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