Validity & Reliability in Research + (HYPOTHESES & OPERATIONAL DEFINITIONS) [AP PSYCH UNIT 1]

This video looks into the questions: Why is it that psychology doesn’t fit in with the “hard sciences” like physics, chemistry, and biology? Instead, why is it considered a "soft science?" It also examines how to write a hypothesis & operational definitions for the AP Psych exam, in addition to exploring the difference between validity & reliability. The practice questions are publicly released questions from collegeboard.org