Baby Charlotte prefers looking at a checkerboard with many small squares compared to looking at one with a few large squares. Charlotte is demonstrating

Sickle-cell anemia is a severe blood disorder that causes massive clustering of red blood cells, which results in

a. lung disease. b. sever motor problems. c. mental retardation. d. inefficient oxygen distribution.

In your backyard, you have a bird feeder from which a particular squirrel likes to eat. You have tried many ways to prevent it from stealing from it. You notice that the squirrel's random behavior gradually turns into goal-directed behavior. This best illustrates what Thorndike called the:

a. law of effect c. law of consequence b. principle of continuity d. classical conditioning

Flashbulb memories ______

a) are not subject to periodic revision. b) usually concern events that are emotionally charged. c) are almost always highly accurate. d) usually concern events from early childhood.

One way to control the influence of extraneous variables is to:

A. hold extraneous variables constant across the levels of your independent variable. B. pretend they do not exist when analyzing your data. C. tell your subjects to ignore any extraneous variables. D. All of the answers are correct.