The actor­observer bias refers to the tendency to assign external causes to other people's behavior and internal causes to our own behavior. a. True

Three layers called the ectoderm, mesoderm, and endoderm form in the developing organism during the period of the

a. amnion. c. zygote. b. fetus. d. embryo.

Of the older adult population living in the Unites States in 2006, about ____ percent were white; in 2050, the percentage of white older adults is expected to be about ____

a. 92%; 50% b. 80%; 59% c. 55%; 65% d. 55%; 45%