Many older adults have difficulty with being steady on their feet, having difficulty with their gait, and overall balance issues. Research suggests that this is because as we age we commonly experience a loss of __________
a) white matter.
b) gray matter.
c) substantia nigra cells.
d) cerebellar lobes.
b
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A researcher tracks the weights of babies born in a particular hospital. She identifies the number of babies falling in each of the following weight classes: 0-2 lbs, 2.1-4 lbs, 4.1-6 lbs, 6.1-8 lbs, 8.1-10 lbs. What is the class interval for this frequency distribution?
a. 0 b. 10 c. 2 d. 1
Which of the following is likely to be a reason for couples to choose not to have children?
a. New career opportunities for women b. Desires for dependence on each other c. People marrying younger d. Concerns about the likelihood of divorce
Francis Galton made a significant contribution to psychology by introducing methods for studying how heredity contributes to human behavior. Which alternative explanation was Galton overlooking when he argued that heredity accounts for these similarities
a. The primary importance of the nature side of the nature versus nurture debate b. The fact that people who share genes live together in families, so they tend to share environmental privileges or disadvantages c. A materialistic account of behavior d. The concept dualism, which states that the mind is separate from the body.
Ally and Billy are going to paint their new house. They both like the color blue, but Ally picks out a different color blue than Billy, and they argue about which is the better color for the house. Ally and Billy are arguing about the __________ of the paint.
A. brightness B. color saturation C. intensity D. hue