Erik Erikson is known as one of the most influential researchers the field of adolescent development

Suppose I blindfold you and tell you to hold a bag of 100 lemons. Then I start adding one lemon at a time until you say the bag weighs more than it did before. What have I discovered if this point occurred when I added 3 lemons to the bag?

a) Weber's constant is 3/100. b) Your lemon threshold is 103 lemons. c) The absolute threshold is 3 lemons. d) The adaptation level is equal to 33 1/3 percent.

Studies on the effects of smoking marijuana on the brain have shown that it is associated with

a) impaired short-term memory and increased blood flow to brain regions associated with emotion. b) impaired long-term memory and decreased blood flow to brain regions associated with emotion. c) impaired short-term memory and increased blood flow to brain regions associated with attention. d) impaired long-term memory and decreased blood flow to brain regions associated with attention.