Data Reduction, Analysis, Interpretation, And Application
Topics to Be Covered
Topics to Be Covered (Cont.)
Notion of Data Reduction/Analysis
Forms of Data Analysis
Qualitative Data Analysis
Quantitative Data Analysis
Quantitative & Qualitative Data Analysis: Similiarities
Similarities (Cont.)
Quantitative & Qualitative: Differences
Quant. & Qual.: Differences (Cont.)
Methods of Qualitative Data Analysis
Selecting The Appropriate Statistics: Factors
Descriptive Statistics
Inferential Statistics
Computers in research: The Coding Process
Coding Rules
A Codebook
Data Cleaning
Types of Data Cleaning
Possible Code Cleaning
Contingency Cleaning
Symmetrical Distributions
Asymmetrical (skewed) distributions
Types of Asymmetrical (skewed) Distributions
Positively and Negatively Asymmetrical Distribution
Measures of Central Tendency
Measures of Dispersion
Univariate Statistics
Bivariate Statistics
Multivariate Analysis
Measures of Association
Measures of Association (Cont.)
The Null Hypothesis
The Alternative (Research) Hypothesis
Probability (Significance) Levels
Probability (Significance) Levels (Cont.)
Alpha Level
Type 1 or Alpha Error
Type II or Beta Error
Statistical Power
Substantive Significance
None Directional Hypothesis
Directional Hypothesis
Two-Tailed Test
Non-Tailed Test/One tail Test
Parametric Tests
Parametric Tests (Cont.)
Nonparametric Tests
Nonparametric Tests (Cont.)
General Issues Related to Statistical Analysis
Last Slide
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