The TRPV1 heat pain receptor also responds to the chemical ______, found in hot peppers.
A. bitumen
B. capsaicin
C. magnesium
D. habaneroin
Answer: B
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Dr. Segal is studying the effects of television watching on the language development of children under the age of two. Because of room scheduling issues, the children in the experimental group underwent testing in the morning and the children in the control group underwent testing in the afternoon. This is an example of ____
a. random assignment b. a situational confounding factor c. a confounding factor due to individual differences d. randomization error
Research suggests that if you wish to persuade an audience, only one side of the argument should be presented to a well-informed audience
Indicate whether the statement is true or false
If an extraneous variable affects all groups equally:
a. within-groups variance is increased. b. it is more difficult to reject the null hypothesis. c. there is increased probability of a Type II error. d. all of these
Perry is the child of very tall parents, and he has the genotype to be well over 6 feet tall. Unfortunately, Perry's parents are killed when he is very young and he is raised by relatives who are of average height
Given what you know about the influences of both genetics and our environment on our physical development, what can we predict about Perry's adult height? a. Because he is being raised in an environment with people of average height, he is likely to grow to average height. b. As long as he is given proper nutrition and not exposed to any environmental influences that stunt his growth, he should grow to be well over 6 feet tall. c. Perry's relatives should accept the fact that there is nothing at all that can prevent him from growing to be very tall, and should start saving up for a lot of clothes. d. Perry's height may be stunted by the psychological trauma of losing his parents. Gregor Mendel's research found definitive relationships between psychological events and genetic mutations.