What accounts for a human infant's head being about as big as it can be and still pass through the birth canal?

a. the fact that humans are mammals
b. the fact that humans walk upright
c. the fact that humans are primates
d. the fact that women's pelvises are smaller than those of men.

B

Psychology

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Following a series of major stressors, reactions to stress often include

violence. suicide attempts. increased resilience. severe mental illness.

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Why did Hermann Ebbinghaus create nonsense syllables?

a) to determine the length of time that visual memory lasts b) to identify differences among types of long-term memory c) to see if associating music with brand names improves recall of those names d) to find how stimuli are remembered without interference from previous learning

Psychology