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Part A Introduction to Research Methods
Introduction to Empirical Research
Experimental vs. Nonexperimental Studies
Experimental vs. Causal-Comparative Studies
Types of Nonexperimental Research
Variables in Nonexperimental Studies
Variables in Experimental Studies
Research Hypotheses, Purposes, and Questions
Operational Definitions of Variables
Quantitative vs. Qualitative Research: I
Quantitative vs. Qualitative Research: II
Ethical Considerations in Research
The Role of Theory in Research
Part B Reviewing Literature
Reasons for Reviewing Literature
Locating Literature Electronically
Writing Literature Reviews
Part C Sampling
Biased and Unbiased Sampling
Simple Random and Systematic Sampling
Stratified Random Sampling
Other Methods of Sampling
Introduction to Sample Size
A Closer Look at Sample Size
Part D Measurement
Introduction to Validity
Reliability and Its Relationship to Validity
Measures of Reliability
Norm- and Criterion-Referenced Tests
Measures of Optimum Performance
Measures of Typical Performance
Part E Experimental Design
True Experimental Designs
Threats to Internal Validity
Threats to External Validity
Part F Understanding Statistics
Descriptive and Inferential Statistics
Introduction to the Null Hypothesis
Scales of Measurement
Descriptions of Nominal Data
Introduction to the Chi Square Test
A Closer Look at the Chi Square Test
Shapes of Distributions
The Mean, Median, and Mode
The Mean and Standard Deviation
The Median and Interquartile Range
The Pearson Correlation Coefficient
The t Test
One-Way Analysis of Variance
Two-Way Analysis of Variance
A. The Validity Structure of Qualitative Research
B. Excerpt from a Literature Review
C. Indices to Journal Articles
D. Selected Sources of Statistical Information
E. Other Methods of Determining Reliability
F. A Closer Look at the Standard Deviation
1. Table of Random Numbers
2. Table of Recommended Sample Sizes
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