Cross-sectional studies — Flashcards

Flashcard 1: Both twin concordance and adoption studies are useful for measuring '_____'

Answer: nature vs. nurture

Flashcard 2: Which operant conditioning technique involves addition of a stimulus in efforts to increase behavior? _____

Answer: Positive reinforcement

Flashcard 3: What percent of twins are monozygotic?

Answer: 20%

Flashcard 4: What percent of twins are dizygotic?

Answer: 80%

Flashcard 5: Explain how a twin concordance study works.

Answer: Compares the frequency with which twins (mono- or dizygotic) develop the same disease.

Flashcard 6: What kind of study compares the frequency with which twins develop the same disease?

Answer: Twin concordance study

Flashcard 7: Explain how an adoption study works.

Answer: Compares disease outcomes in siblings (especially twins) raised by different parents

Flashcard 8: What type of study compares disease outcomes in siblings (especially twins) raised by different parents

Answer: Adoption study

Flashcard 9: New baby and toddler is being mean to baby is managed with _____

Answer: mom spending more time with toddler

Extra:  https://onlinemeded.org?ref=anki 

Flashcard 10: Which type of conditioning usually deals with voluntary responses? _____

Answer: Operant conditioning