,
, TEST BANK Applied Statistics II 3rd Edition
Chapter 1: The New Statistics
Multiple Choice
1. A variable that is statistically controlled in an analysis is a(n) ______.
a. an independent variable
b. a dependent variable
c. a covariate
d. a manipulated variable
Ans: C
Cognitive Domain: Knowledge
Answer Location: 1.1: Required Background
Difficulty Level: Easy
2. In past years, many investigators have failed to report ______.
a. the effect size
b. the sample sizes
c. descriptive statistics
d. obtained p values
Ans: A
Cognitive Domain: Knowledge
Answer Location: 1.2: What is the “New Statistics”?
Difficulty Level: Easy
3. A primary concern of investigators has been, and often still is, obtaining a p value of
______.
a. .10
b. .05
c. .01
d. .000
Ans: B
Cognitive Domain: Knowledge
Answer Location: 1.2: What Is the “New Statistics”?
Difficulty Level: Easy
4. A major change advocated by New Statistics is ______.
a. reduced emphasis on effect size
b. focus on the results of single studies
c. not reporting confidence intervals
d. understanding the limitations of significance tests
Ans: D
, Cognitive Domain: Knowledge
Answer Location: 1.2: What is the “New Statistics”?
Difficulty Level: Easy
5. A primary change proposed by advocates of New Statistics involves summarizing
effect sizes from a number of studies using ______.
a. Bayesian statistics
b. meta-analysis
c. multivariate analysis
d. descriptive statistics
Ans: B
Cognitive Domain: Knowledge
Answer Location: 1.2: What Is the “New Statistics”?
Difficulty Level: Easy
6. An emphasis of New Statistics is ______.
a. using increasingly precise p values
b. developing new methods of statistical analysis
c. reducing emphasis on confidence interval interpretation
d. adopting a more critical perspective when considering significance
Ans: D
Cognitive Domain: Knowledge
Answer Location: 1.2: What Is the “New Statistics”?
Difficulty Level: Easy
7. Which of the following types of information is provided to investigators by NHST?
a. whether the hypothesis of the study has been proven
b. the probability that the research hypothesis is true
c. the probability of obtaining results about the H0 based on one sample
d. the exact probability of obtaining the same results on replication
Ans: C
Cognitive Domain: Analysis
Answer Location: 1.3: Common Misinterpretations of p Values
Difficulty Level: Hard
8. When reading an article that reports the results of multiple statistical tests, readers
should remember that multiple tests ______.
a. provide inaccurate information about the risks of Type I errors
b. provide inaccurate information about the risks of Type II errors
c. enhance understanding of cause and effect relationships
d. provide reliable information about the size and importance of effects
Ans: A
Cognitive Domain: Application
Answer Location: 1.3: Common Misinterpretations of p Values
Difficulty Level: Medium
, TEST BANK Applied Statistics II 3rd Edition
Chapter 1: The New Statistics
Multiple Choice
1. A variable that is statistically controlled in an analysis is a(n) ______.
a. an independent variable
b. a dependent variable
c. a covariate
d. a manipulated variable
Ans: C
Cognitive Domain: Knowledge
Answer Location: 1.1: Required Background
Difficulty Level: Easy
2. In past years, many investigators have failed to report ______.
a. the effect size
b. the sample sizes
c. descriptive statistics
d. obtained p values
Ans: A
Cognitive Domain: Knowledge
Answer Location: 1.2: What is the “New Statistics”?
Difficulty Level: Easy
3. A primary concern of investigators has been, and often still is, obtaining a p value of
______.
a. .10
b. .05
c. .01
d. .000
Ans: B
Cognitive Domain: Knowledge
Answer Location: 1.2: What Is the “New Statistics”?
Difficulty Level: Easy
4. A major change advocated by New Statistics is ______.
a. reduced emphasis on effect size
b. focus on the results of single studies
c. not reporting confidence intervals
d. understanding the limitations of significance tests
Ans: D
, Cognitive Domain: Knowledge
Answer Location: 1.2: What is the “New Statistics”?
Difficulty Level: Easy
5. A primary change proposed by advocates of New Statistics involves summarizing
effect sizes from a number of studies using ______.
a. Bayesian statistics
b. meta-analysis
c. multivariate analysis
d. descriptive statistics
Ans: B
Cognitive Domain: Knowledge
Answer Location: 1.2: What Is the “New Statistics”?
Difficulty Level: Easy
6. An emphasis of New Statistics is ______.
a. using increasingly precise p values
b. developing new methods of statistical analysis
c. reducing emphasis on confidence interval interpretation
d. adopting a more critical perspective when considering significance
Ans: D
Cognitive Domain: Knowledge
Answer Location: 1.2: What Is the “New Statistics”?
Difficulty Level: Easy
7. Which of the following types of information is provided to investigators by NHST?
a. whether the hypothesis of the study has been proven
b. the probability that the research hypothesis is true
c. the probability of obtaining results about the H0 based on one sample
d. the exact probability of obtaining the same results on replication
Ans: C
Cognitive Domain: Analysis
Answer Location: 1.3: Common Misinterpretations of p Values
Difficulty Level: Hard
8. When reading an article that reports the results of multiple statistical tests, readers
should remember that multiple tests ______.
a. provide inaccurate information about the risks of Type I errors
b. provide inaccurate information about the risks of Type II errors
c. enhance understanding of cause and effect relationships
d. provide reliable information about the size and importance of effects
Ans: A
Cognitive Domain: Application
Answer Location: 1.3: Common Misinterpretations of p Values
Difficulty Level: Medium
