Answer Choices:
a) Content validity
b) Concurrent validity
c) Face validity
d) Predictive validity
Answer: b) Concurrent validity
Question: The U.S. Securities & Exchange Commission is one source of information available to investors. Other sources exist as well.
Answer Choices:
True
False
Answer: Correct Answer True
Question: A speaker says, “Countries who produce consumers on animals in laboratories are not interested in getting scientific knowledge—they enjoy causing pain, suffering as animals. Therefore, we must stop the use of animals in experiments.” This fallacy is guilty of what kind of fallacy of reasoning?
Answer Choices:
hasty generalization
false cause
Answer: hasty generalization
Question: Which of the following is a nominalization?
Answer Choices:
Integrate
Significant
Different
Difference
Answer: Difference
Question: Why is it useful to use less participants in a study with a within-subjects design?
Answer Choices:
A. The chances of finding a real effect are reduced.
B. The chances of finding a real effect are increased.
C. Eliminates fatigue.
D. You do not have to repeat trials.
Answer: B. The chances of finding a real effect are increased.
Question: One-sample hypothesis test using α = .05, null based on erroneous data, one sample, your decision is to fail to reject the null hypothesis. If the treatment actually does have an effect, which of the following is true?
Answer Choices:
A) You have made a Type I error
B) You have made a Type II error
C) You have made two Type II errors, i.e., the probability was only 2.5% at most.
D) You have failed the entire statistical
Answer: B) You have made a Type II error (Assuming the decision to fail to reject the null hypothesis was incorrect because the treatment does have an effect.)
Question: The cognate acquisition of meaning in a speech is visually experienced in the:
Answer Choices:
A. audience,
B. speaker,
C. situation,
D. channel
Answer: A. audience
Question: The Efficient Market Hypothesis states that buyers and sellers in markets are always perfectly rational agents.
Answer Choices:
True
False
Answer: Correct Answer False
Question: Classify the following random variable according to whether it is discrete or continuous. the number of bottles of juice sold in a cafeteria during lunch.
Answer Choices:
discrete
continuous
Answer: discrete
Question: Provide an appropriate response. In a sandwich shop, the following probability distribution was obtained. The random variable x represents the number of condiments used for a hamburger. Find the mean and standard deviation for the random variable x. x 1 2 3 4 P(x) 0.20 0.30 0.20 0.30
Answer Choices:
mean: 1.14; standard deviation: 1.04
mean: 1.30; standard deviation: 2.38
mean: 1.30; standard deviation: 1.54
Answer: 3. mean: 1.30; standard deviation: 1.54
Question: Researchers can chart brain states and matched testimonials.
Answer Choices:
True
False
Answer: True