Skip to content
Marlow Works

AP Psychology / Unit 3

Unit 3 · 15–25%

Development and Learning

How people change with age and how experience changes behavior.

Start first lessonUnit practice

Topics

  • Developmental perspectives
  • Attachment
  • Conditioning
  • Observational learning

Lessons

Key terms

Original practice

Marlow Works questions. If this unit does not have its own items yet, you will see other questions from the same course.

1 of 3Research methods · medium · multiple choice

Researchers find that students who sleep more tend to perform better on memory tests. Why can't they conclude from this correlation that more sleep causes better memory?

Original Marlow Works item — not a College Board question.

Take your time—this is practice, not a test.

Review checklist

  1. 01Contrast classical and operant conditioning with original examples.
  2. 02Explain why attachment is a relationship pattern, not a personality label.
  3. 03Give one way observing a model can change behavior without direct reinforcement.

Related resources

External links with reuse status. Marlow Works is independent and does not copy restricted exam or textbook material.

  • Official / link only

    AP Psychology course page

    Official five-unit framework and science practices.

    College Board · All rights reserved · accessed 2026-10-01

    Open source

  • Reference only — do not copy

    OpenStax Psychology 2e

    Useful psychology background, but current publisher terms restrict commercial reuse and AI ingestion.

    OpenStax · CC BY-NC-SA 4.0 with additional restrictions · accessed 2026-10-01

    Link only. Do not republish or ingest this book.

    Open source