Ten years ago, only 20% of the U.S. population consisted of people more than 65 years old. A researcher plans to use a sample of n = 200 people to determine whether the population distribution has changed during the past ten years. If a chi-square test is used to evaluate the data, what is the expected frequency for the older-than-65 category?
a. 10 c. 40
b. 20 d. 100
C
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The parallel distributed processing approach
a. is not consistent with the neurological properties of the brain. b. is especially strong in explaining how we solve problems. c. provides a comprehensive explanation for our ability to remember earlier material, even though that material was replaced by more recent information. d. emphasizes the growth in the strength of connections among items during the process of learning.
Which of the following is not a possible contributing factor to elder abuse?
a. Social isolation of the elder b. Caregiver stress c. Elder's dependency on others d. Caregiver's lack of control
A common model of memory functions breaks memory into which of the following forms?
A. Sensory register, short-term memory, and long-term memory B. Short-term, long-term, and intermediate-term memory C. Sensory register, tactile deficit memory, and crystallized intelligence D. Episodic memory, sensory register, and long-term memory
Why are some children unusually short?
What will be an ideal response?