A potential flaw of twin studies is that
a. monozygotic twins do not always have identical genes.
b. dizygotic twins do not have identical genes.
c. parents may treat identical twins more similarly than they treat fraternal twins.
d. parents may treat fraternal twins more similarly than they treat identical twins.
c
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Haidt's theory emphasizes
a. intuition b. impartiality c. cognition d. deliberation
Approximately how many interneurons are contained in the human central nervous system?
a. 100 million b. 100 trillion c. 100 billion d. 100 quadrillion
High levels of positive emotions create life satisfaction because ________
a) positive emotions lead people to help others who are feeling depressed b) positive emotions make people unrealistically optimistic c) people think, feel, and act in ways that build their emotional, physical, and social resources d) positive emotions decrease cortisol and lead us to have thinner body shapes
The MüllerLyer illusion is
a. based upon experience with the edges and corners of rooms and buildings. b. based solely on figure-ground relationships. c. experienced similarly in all cultures. d. only present with arrows and lines less that one foot in length.