The conditions that a researcher wishes to prevent from affecting the outcome of the experiment are the __________variables

Which type of early psychologist believed that "the whole is greater than the sum of its parts?"

a) Gestaltist b) behaviorist c) structuralist d) functionalist

Sandra took three phone messages within minutes of each other. Because the messages dealt with different issues, roommates and callers, it didn't take long to realize Sandra having confused the messages had ___________

a. emotional noise b. information overload c. compartmentalization d. selective attention