According to Robert Selman, the first stage of a child's perspective-taking development is the _______________ stage, during which the child understands that they and others have different thoughts, but often confuse the two

Which of the following represents the approximate degree of heritability for the "Big Five" traits?

a) 15% b) 25% c) 55% d) 80%

Later studies utilizing the visual cliff paradigm showed the importance of disentangling depth perception from the emotion of ______

a. surprise d. fear c. desire d. interest