Cerrar
Interviews
Interview Advantages
Interview Disadvantages
Questionnaires
Questionnaire Advantages
Questionnaire Disadvantages
Response Rate
Techniques to increase response rate
Sampling Terminology
Population
Census
Sampling
Sample
Sampling Frame
Representative Sample
Ways to Sample
Probability sampling
Simple random sampling
Systematic random sampling
Stratified Sampling
Sampling Bias
Sampling Bias
Non-probability Sampling
Non-probability Sampling
Snowball sampling
Non-Probability Sampling
Convenience/Volunteer samples
Non-Probability Sampling
Purposive Sampling (judgmental)
I have the sample and collected my data.
What do I do now???
Raw Data
Frequency Distributions
Bar Chart
Grouped Frequency Distributions
Histogram
Frequency Curve
Descriptive Statistics
Central tendency
Dispersion
Measures of Central Tendency
The Mean
-Arithmetic mean-
Measures of Central Tendency
The Median
Measures of Central Tendency
The Mode
Distribution
Shapes of Distributions
Skewed (NOT Normal) Distributions
-Outliers-
Skewed
Shapes of Distributions
Measures of Dispersion
Dispersion (‘the spread’)
Range
The Standard Deviation
Standard Deviation and the Normal Curve
Sample Size and the Margin of Error
Sample Size and the Margin of Error
