Which of the following observations provides the best evidence that intelligence test scores are influential by environment?
A) Fraternal twins are more similar in their intelligence scores than are ordinary siblings.
B) The intelligence scores of children are positively correlated with those of their parents.
C) Identical twins are more similar in their intelligence scores than are fraternal twins.
D)The intelligence scores of siblings reared together are positively correlated.
E) Different national groups have different average intelligence scores.
Answer: A) Fraternal twins are more similar in their intelligence scores than are ordinary siblings.
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Between the ages of 6 and 12, the evolution of the concept of death as a permanent cessation of life begins
Indicate whether the statement is true or false
When children first begin to walk they spread their feet apart and take small, stiff-legged steps, shifting their weight from one leg to the other. These movements are where the ____ stage of development gets its name
a. infancy b. toddlerhood c. adolescence d. old age
Several of Freud's ideas about moral development have been shown to be incorrect. Which idea below is an incorrect assumption of Freud's?
A. Males would have a weaker superego than females. B. Identification with the mother has a greater role to play in moral development than identification with thefather. C. Girls' superego is weaker than boys' and girls are less able to resist temptation. D. The superego develops in infancy.
Rachel is in the first period of prenatal development. This scenario indicates the ________ of prenatal development.
A. embryonic period B. germinal period C. implantation period D. fetal period