Answer the following statements true (T) or false (F)
1. Research on cell phone use and attention in driving suggests that laws requiring hands-free cell phones could significantly reduce accidents.
2. An organism's sensitivity to prolonged stimulation tends to increase over time.
3. Our perceptual systems respond more strongly to changes in the level of stimulation than to constant stimulation.
4. Our senses will adapt more quickly to a stimulus if that stim ulus is presented occasionally, rather than constantly.
5. The length of a light wave determines the brightness we perceive.
1. FALSE
2. FALSE
3. TRUE
4. FALSE
5. FALSE
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Dr. Malcolm is developing a new personality inventory. In his validation study, he ensures that his participants include individuals from every state, an equal number of men and women, individuals from all ethnic and racial backgrounds, and individuals from both rural and urban areas. Dr. Malcolm is trying to ensure that his study is ____
a. internally valid b. tightly controlled c. externally valid d. reliable
According to learning theory, mothers become reinforcing stimuli to their infants because they have been associated with food, which is the ________. This means that mothers are the _______
a. primary reinforcer; secondary reinforcers c. nourishment; source of contact comfort b. secondary reinforcer; primary reinforcers d. biological need; primary reinforcers
Which example best describes the zone of proximal development?
a) trying to teach a 1-year-old how to add b) dressing a 4-year-old child who keeps saying, "I'll do it!" c) attempting to teach a 5-year-old trigonometry d) showing a toddler a book that has many colors, some of which the toddler already knows
The following were chores for adolescent girls living in traditional cultures?
A. Fishing B. Collecting firewood C. Fetching water D. B & C