Which statement is true of the incidence of dementia in Parkinson's patients?
a. Dementia is not a symptom of Parkinson's disease.
b. All Parkinson's patients develop dementia.
c. Dementia occurs in as many as 80% of Parkinson's patients.
d. If dementia occurs, it will occur in the early stages of the disease.
C
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A biologist records the number of trout, bass, perch, and other types of fish caught in a local lake during a 2-week period. If the results are organized in a frequency distribution table, what values would be listed in the first column?
a. Frequencies c. The 14 days b. Different types of fish d. The days of the week
In the process of generalization, the more closely a stimulus resembles the CS, the weaker the CR
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
Momentary maximizing is based on molecular feedback.
A researcher is interested in how school exercise programs can lead to better weight management in high school students. All the high school seniors are forced to run one mile a day before lunch. At the end of the semester, the researcher looks at weight management (gain/loss) and how fast each student ran his or her miles. He finds that kids who ran faster lost the most weight and assumes he should make students run faster next year. Unfortunately (for the researcher), most of the kids who ran fast were also in cross country. What type of problem does this present?
a. third-variable b. directionality c. baseline d. reversal