In problem solving, the term rule of thumb refers to:

Approximately how long does a specific sensory memory last?

A. No more than a few seconds B. Close to a minute C. With rehearsal, several minutes D. With encoding, nearly forever

Evolutionary biologists believe that the larger brains of early Homo sapiens babies meant that babies were born less mature than those born to earlier hominins, resulting in __________.

A. a greater likelihood of death at birth B. a longer time before the rest of the body could support the head in infancy C. a longer period of dependency of infants on their parents D. a great likelihood that a baby's head would get stuck in the pelvic opening