Height, skin color, and weight are examples of ________.
a. polygenic traits
b. dominant traits
c. recessive alleles
d. phenotypes
a. polygenic traits
Height, skin color, and weight are examples of polygenic traits.
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Who proposed that children learn not only words, but also grammar, via the mechanisms of operant and classical conditioning?
a. Skinner c. Piaget b. Vygotsky d. Freud
Plan B emergency contraception can be used to prevent pregnancy when taken within ________ days of unprotected intercourse
a. 1 b. 2 c. 3 d. 7
What was Piaget trying to explain in his cognitive development theory?
A. The process for how the capacity for logical thought develops B. Reasons why some children are mathematically gifted C. Individual differences in learning styles D. The process for how culture influences cognition
Experimental independent variables are characterized by researcher ______.
A. measured for experimental effect B. manipulated for outcome observation C. held constant to control confound effect D. analyzed for variable association