The existence of a human sex pheromone has been firmly established

Roberta is trying to decide whether to vote for a political candidate. Based on what she has read about him, she has concluded that he is not qualified for the position, but she agrees with his political positions. Also, she trusts him and likes his decisive personality. In fact, she likes him so much that she sent a small donation to his campaign. Her opinion that the candidate is not qualified represents the __________ component of her attitude toward him.

a) cognitive b) feeling c) intuition d) behavioral

In 1977, the Apple II came with 16 K of RAM. In 2004, the iBook G4 came with 256 MB of RAM. That's a huge increase in memory capacity! This example demonstrates the evolutionary process called the ___

a. ratchet effect b. zone of proximal development c. scaffolding phenomenon d. tool mediating system