Applied Statistics II Basic Bivariate Techniques
Author: Rebecca Warner
3rd Edition
, 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
, 9. An Advocate Of New Statistics Would Object To A Research Report That
Included A Statement Like The .
a. Results Of Our Study Are Consistent With A Recent Meta-Analysis
b. Significant Results Should Be Interpreted Cautiously Due To The Large Sample
Size
c. Results Of Our Study Approached Statistical Significance
d. Results Of Our Study Provide Support For Our Initial
Hypothesis Ans: C
Cognitive Domain: Application
Answer Location: 1.3: Common Misinterpretations Of P
Values Difficulty Level: Medium
10. If A Statistical Analysis Yields P = .03, A Research Report Can Include A
Statement Like
.
a. The Results Of Our Study Are Likely To Be Replicated
b. The Evidence Is Consistent With The Hypothesis Of Our Study
c. There Is A 97% Chance That The Null Hypothesis Of Our Study Is False
d. The Results Of Our Study Cannot Be Explained By
Chance Ans: B
Cognitive Domain: Application
Answer Location: 1.3: Common Misinterpretations Of P
Values Difficulty Level: Medium
11. An Advocate Of New Statistics Would Support A P Value Reported As .
a. P = .0000
b. P < .01
c. P < .05
d. P = .025
Ans: D
Cognitive Domain: Knowledge
Answer Location: 1.4: Problems With NHST
Logic Difficulty Level: Easy
12. A Problem With NHST Logic Is That It .
a. Eliminates The Need To Think In Terms Of Double Negatives
b. Encourages Investigators To Describe Study Results In Terms Of Uncertainty
c. Cannot Tell Investigators What They Want To Know
d. Is Used Consistently And Correctly In The Majority Of
Studies Ans: C
Cognitive Domain: Comprehension
Answer Location: 1.4: Problems With NHST
Logic Difficulty Level: Medium
13. An Important Assumption Underlying The Use Of An Independent Samples
T Test Or One-Way ANOVA Is That .
a. The Grouping Variables Are Normally Distributed In The Population