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Research Methods Exam 2 Review Flashcards | StudBud
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Research Methods Exam 2 Review
Research Methods Exam 2 Review
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Flashcards
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Questions
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Answers
1
A distribution of scores that is characterised by a bell-shaped curve is a...?
Skewed Distribution
Skewed Plot
Normal Distribution
Scatter Plot
2
Researching cheating in students by interview is likely susceptible to what measurement error?
Operational Definition Bias
Scale Attenuation Effects
No Obvious Biases
Social Desirability
3
"A decrease in performance of 1st graders after 45 minutes due to fatigue" is an example of?
Maturation
Instrumentation
Regression to the Mean
History
4
Which of the following is an idea that defines the relationship between two or more variables?
Problem Concept
Operational Concept
Theoretical Concept
Conceptual Concept
5
What is a constraint?
Variables that vary together.
Controls for precision research and validity of conclusions.
Procedure to reduce cofounding.
Variables that are prevented from varying.
6
Probability of not rejecting the null hypothesis when it is false is?
Type I Error
Type IV Error
Type II Error
Type III Error
7
Statistical averaging of results of multiple studies of a phenomenon is...?
Attrition
Standard Deviation
Selection
Meta-Analysis
8
The index of the consistency of ratings between separate raters is?
Interrater Reliability
Operational Definitions
Internal Validity
Test-Retest Reliability
9
A survey addressing specific issues by collecting data at one point in time is an example of?
A Reactive Sample
An Ad Hoc Sample
A Representative Sample
A Reflective Sample
10
The statistical procedure that analyzes mean differences between 2 or more groups is?
(ANOVA) Analysis of Variance
T-Test
11
Descriptive statistics...?
Statistics that summarize and/or describe a sample of scores
Statistics that deal with only one variable.
12
One of the best ways to increase power in a research study is to?
Increase the Sample Size
Decrease the Number of Statistical Tests
Decrease the Sample Size
Increase Individual Diversity
13
Experimenter Expectancy...?
is all of the above.
is a significant threat to a study's internal validity.
may be data selection that conforms to hypotheses.
may cause researchers to influence participants.
14
Data that are frequencies of participants in each category is?
Ordinal Data
Nominal Data
Ratio Data
Interval Data
15
This graph is an example of a/an?
Scatter Plot
Convenience Sample
Ad Hoc Sample
Histogram
