In the model of memory proposed by Richard Atkinson and Richard Shiffrin, the initial stage that holds all incoming information for seconds or fractions of a second is called

The approach that contends psychology must study internal mental events in order to fully understand behavior is:

Evidence suggests that the ancient romans had a very formal medical system. it included which of the following? click all that apply. medical schools universities physician apprenticeships nursing homes hospital facilities

Select the correct answer. what was edwin hubble's contribution to the field of astronomy? a. he discovered variable stars. b. he proved that the heliocentric model accurately described our solar system. c. he found a relationship between the period luminosity and distance of stars. d. he proved that the universe is finite. e. he discovered that the universe was expanding.