Test Bank for Applied Statistics II, Multivariable and
Multivariate Techniques, 3rd Edition Warner (All
Chapters included)
,Chapter 1: The New Statistics m m m m
Test Bank
m m
Multiple Choice m
1. A variable that is statistically controlled in an analysis is a(n)
m m m m m m m m m m .
a. an independent variable
m m
b. a dependent variable
m m
c. a covariate
m
d. a manipulated
m
mvariableAns: C m m
Cognitive Domain: Knowledge m m
Answer Location: 1.1: Required
m m m
mBackgroundDifficulty Level: Easy m m m
2. In past years, many investigators have failed to report
m m m m m m m m .
a. the effect size
m m
b. the sample sizes
m m
c. descriptive statistics m
d. obtained p m
mvaluesAns: A m m
Cognitive Domain: Knowledge m m
Answer Location: 1.2: What is the “New
m m m m m m
mStatistics”?Difficulty Level: Easy m m m
3. A primary concern of investigators has been, and often still is, obtaining a p value of
m m m m m m m m m m m m m m m
m .
a. .10
m m
b. .05
m
c. .01
m
d. .000
m
Ans: B m
Cognitive Domain: Knowledge m m
Answer Location: 1.2: What Is the “New
m m m m m m
mStatistics”?Difficulty Level: Easy m m m
4. A major change advocated by New Statistics is
m m m m m m m .
a. reduced emphasis on effect size m m m m
b. focus on the results of single studies
m m m m m m
c. not reporting confidence intervals
m m m
d. understanding the limitations of significance m m m m
mtestsAns: D m m
,Cognitive Domain: Knowledge
m m
Answer Location: 1.2: What is the “New
m m m m m m
Statistics”?Difficulty Level: Easy
m m m m
5. A primary change proposed by advocates of New Statistics involves
m m m m m m m m m
msummarizingeffect sizes from a number of studies using .
m m m m m m m m
a. Bayesian statistics m
b. meta-analysis
c. multivariate analysis m
d. descriptive statistics m
Ans: B
m m
Cognitive Domain: Knowledge
m m
Answer Location: 1.2: What Is the “New
m m m m m m
mStatistics”?Difficulty Level: Easy
m m m
6. An emphasis of New Statistics is
m . m m m m
a. using increasingly precise p values
m m m m
b. developing new methods of statistical analysis
m m m m m
c. reducing emphasis on confidence interval interpretation
m m m m m
d. adopting a more critical perspective when considering
m m m m m m
msignificanceAns: D m m
Cognitive Domain: Knowledge
m m
Answer Location: 1.2: What Is the “New
m m m m m m
mStatistics”?Difficulty Level: Easy
m m m
7. Which of the following types of information is provided to investigators by NHST?
m m m m m m m m m m m m
a. whether the hypothesis of the study has been proven
m m m m m m m m
b. the probability that the research hypothesis is true
m m m m m m m
c. the probability of obtaining results about the H0 based on one sample
m m m m m m m m m m m
d. the exact probability of obtaining the same results on
m m m m m m m m
mreplicationAns: C m m
Cognitive Domain: Analysis
m m
Answer Location: 1.3: Common Misinterpretations of p
m m m m m m
mValuesDifficulty Level: Hard
m m m
8. When reading an article that reports the results of multiple statistical tests,
m m m m m m m m m m m
mreadersshould remember that multiple tests .
m m m m m
a. provide inaccurate information about the risks of Type I errors
m m m m m m m m m
b. provide inaccurate information about the risks of Type II errors
m m m m m m m m m
c. enhance understanding of cause and effect relationships
m m m m m m
d. provide reliable information about the size and importance of
m m m m m m m m
meffectsAns: A
m m
Cognitive Domain: Application
m m
Answer Location: 1.3: Common Misinterpretations of p
m m m m m m
mValuesDifficulty Level: Medium
m m m
, 9. An advocate of New Statistics would object to a research report that
m m m m m m m m m m m
mincluded astatement like the m . m m m
a. results of our study are consistent with a recent meta-analysis
m m m m m m m m m
b. significant results should be interpreted cautiously due to the large sample size
m m m m m m m m m m m
c. results of our study approached statistical significance
m m m m m m
d. results of our study provide support for our initial
m m m m m m m m
mhypothesisAns: C m m
Cognitive Domain: Application m m
Answer Location: 1.3: Common Misinterpretations of p
m m m m m m
mValuesDifficulty Level: Medium
m m m
10. If a statistical analysis yields p = .03, a research report can include a statement
m m m m m m m m m m m m m m
like m
m .
a. the results of our study are likely to be replicated
m m m m m m m m m
b. the evidence is consistent with the hypothesis of our study
m m m m m m m m m
c. there is a 97% chance that the null hypothesis of our study is false
m m m m m m m m m m m m m
d. the results of our study cannot be explained by
m m m m m m m m
mchanceAns: B m m
Cognitive Domain: Application m m
Answer Location: 1.3: Common Misinterpretations of p
m m m m m m
mValuesDifficulty Level: Medium
m m m
11. An advocate of New Statistics would support a p value reported as
m m m m m m m m m m m .
a. p = .0000
m m m m
b. p < .01
m m m
c. p < .05
m m m
d. p = .025
m m m
Ans: D m
Cognitive Domain: Knowledge m m
Answer Location: 1.4: Problems with NHST
m m m m m
mLogicDifficulty Level: Easy
m m m
12. A problem with NHST logic is that it
m . m m m m m m
a. eliminates the need to think in terms of double negatives
m m m m m m m m m
b. encourages investigators to describe study results in terms of uncertainty
m m m m m m m m m
c. cannot tell investigators what they want to know
m m m m m m m
d. is used consistently and correctly in the majority of
m m m m m m m m
mstudiesAns: C m m
Cognitive Domain: Comprehension m m
Answer Location: 1.4: Problems with NHST
m m m m m
mLogicDifficulty Level: Medium
m m m
13. An important assumption underlying the use of an independent samples t test
m m m m m m m m m m m
morone-way ANOVA is that
m . m m m
a. the grouping variables are normally distributed in the population
m m m m m m m m
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