In a(n) ________ design, the relative contributions of genes and environment to variation in traits are teased apart by comparing identical and fraternal twins

Fill in the blank with correct word.

Answer: twin

Psychology

You might also like to view...

In Keller's research study of depressed patients, more patients did well in the __________ condition than in the __________ condition, but __________ was clearly the most effective.

A. medication-only; psychotherapy-only; combined treatment B. psychotherapy-only; medication-only; combined treatment C. combined-treatment; psychotherapy-only; medication only D. combined-treatment; medication-only; psychotherapy only

Psychology

In Kohlberg's "good boy–good girl" orientation, children

A) find it difficult to consider two points of view. B) take societal laws into account. C) express the same concern for the welfare of another as they do for themselves. D) regard laws and rules as flexible for furthering human purposes.

Psychology