You felt fine when you sat down in the classroom, but as soon as the teacher announced a surprise quiz you immediately felt your pulse quicken and...

1.You felt fine when you sat down in the classroom, but as soon as the teacher announced a surprise quiz you immediately felt your pulse quicken and you sensed a queasy feeling in your stomach. Your reaction to the teacher's announcement is most likely a(an) A. conditioned response. B. unconditioned response. C. unconditioned stimulus2. In research that is described in the textbook, participants tried to learn lists of letters under two conditions. In one condition, each pair of letters was separated by two digits that had to be read. In the other condition, the first pair had four digits and the last pair zero digits. The researchers found A. better memory for the early items on the list when those items had been made more separate. B. the recency effect arises because the last few items are not very distinctive. C . that making items distinctive made little difference in the performance of the participants.

3   Members of a species who possess the range of physical and psychological attributes best adapted to the environment are most likely to survive. This concept is known as 

A . natural selection.

b. phenotypical structure.

c. survival of the fittest

4,  When one's personal construction of reality remains relatively stable, one is also likely to experience

A. extreme sociability.

B. heightened activity in the left hemisphere

C. a stable sense of self

5. If a researcher defines variables or conditions in terms of the specific procedures used to determine their presence, he or she is using a(n) ________ definition.

A. operational

B. confounded

C. hypothetical