Which of the following research findings supports a strong biological basis for behavior? A. Presenting a loud sound just before presenting a neutral stimulus eventually produces fear of the neutral stimulus.
B. Including misinformation in a question about an event decreases the accuracy of memory for the event.
C. Observing an aggressive model leads to aggressive behavior by the observer.
D. Identical twins who are reared apart have similar levels of intelligence.
E. Individuals working in a group put forth less effort than they put forth when working alone.