Drive reduction theory is no longer as popular as it was in early conceptions of motivation. Which one of the following research findings contributed to the demise of drive reduction theory?
a. Although drive reduction theory explains virtually all of rat behavior, it explains very little of human behavior.
b. For some organisms, drive is a physiological impossibility.
c. For human beings, so many drives exist simultaneously that it's impossible to completely satisfy them all.
d. Organisms sometimes behave in ways that increase rather than reduce drive.
Question 2
For which one of the following individuals is behavior clearly affected by an incentive?
a. Alphonso gets wrapped up in a mystery novel and doesn't hear the doorbell ring.
b. Blake does several extra-credit projects to ensure his A in sociology.
c. Cecil smiles when his girlfriend gives him a new sweater.
d. Darren eats junk food even when he's not hungry.
The cranium of early African H. erectus KNM-ER 3733 is nearly 1.8 million years old.
The clonal selection theory of the adaptive immune response
A model of the 70S ribosome based upon early structural data
During G0 and early G1, pRB interacts with and inactivates transcription factor E2F
Ichthyostega, Early Amphibian
Earth’s Early Atmosphere