DSST Difficulty Guide
Everything you need to know about the difficulty of DSST DSST Lifespan Developmental Psychology — pass rates, study time, and which units are toughest.
Moderate
Difficulty
60-70%
Est. Pass Rate
15-30h
Avg Study Time
400
Passing Score
Unit 1: Prenatal Development and Infancy
nature vs nurture, prenatal stages, teratogens
Standard
16 questions
Unit 2: Early and Middle Childhood
Piaget stages, Vygotsky zone of proximal development, language development
Standard
19 questions
Unit 3: Adolescence
puberty, identity formation, Erikson identity vs role confusion
Standard
20 questions
Unit 4: Early and Middle Adulthood
intimacy vs isolation, generativity vs stagnation, career development
Standard
17 questions
Unit 5: Late Adulthood, Aging, and Death
integrity vs despair, cognitive decline, dementia
Standard
17 questions
DSST® is a trademark owned by Prometric, which is not affiliated with, and does not endorse, this product.