QUESTION: Generate a question with a factual answer?

ANS: How can Educational psychology in part be understood?

QUESTION: Generate a question with a factual answer?

ANS: How was it determined that homes of industrial workers were targeted?

QUESTION: Generate a question with a factual answer?

ANS: When was the patent case Davoll et al. v. Brown ruled on?

QUESTION: Generate a question with a factual answer?

ANS:
When did the classical era end?