The new area of psychology called behavioral genetics is providing evidence that:
a. twins are very different from single-birth children
b. twins may appear outwardly similar, but in most respects they are quite different
c. sharing a family environment is the major influence on personality
d. inheritance sets a range of behaviors for many aspects of personality
D
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If the shape of a frequency distribution is lopsided, with a long tail projecting longer to the left than to the right, how would the distribution be skewed?
a. Normally b. Negatively c. Positively d. Average
Scholars of the past who wanted to understand human behavior relied on anecdotes and descriptions of individual cases
Indicate whether this statement is true or false.
A month after birth, infants will typically be able to:
A. keep their head erect while being supported in a sitting position. B. keep their head erect while being held. C. turn their head from side to side while lying on their back. D. lift their head high enough to the point where they roll over.
Identify a true statement about teen pregnancies.
A. Poor access to and unavailability of contraception are the primary factors contributing to high teen pregnancy rates at present. B. Teen pregnancy and birth rates have increased dramatically over the past two decades. C. Research shows that teen pregnancy prevention programs lead to financial losses. D. Teen pregnancies trap young parents in a downward spiral of lowered expectations, economic hardship, and poverty.