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CHAPTER 16: Quantitative Data Analysis - Coggle Diagram
CHAPTER 16: Quantitative Data Analysis
Variables
characteristic of interest that varies from one item to another
may take any one of specified set of values or attributes
Scales of Measurement
Nominal scale
eye colour
Ordinal scale
Job grade
Numerical scale
age
Descriptive Statistics
Univariate Analysis
The Distribution
summary of frequency of individual values or ranges of values for variable
Central Tendency
mean
median
mode
Dipersion
the spread of the values around the central tendency
Inferential Statistics
Major types of research design
Experimental Analysis
Quasi-Experimental Analysis
Example of Inferential Statistics
Pearson's Correlation Coefficient, r
Chi-squared test for nominal data
Mann-Whitney
The Wilcoxon Test for 2 Paired Samples
Independent Sample t-test
Spearman's Coefficient of Rank Correlation