Subject Characteristics
- Constants
- Variables
- Independent
- Dependent
- Moderator
- Extraneous
Raw Score
Standardized Score (z, T, IQ, GRE/SAT)
Average (Measures of Central Tendency)
- Mean
- Mode
- Median
Spread (Measures of Variation
- Range
- Variance
- Standard Deviation (Samples/Populations)
Stats with Excel
Areas Under the Normal Distribution (68 / 95.4 / 99.7)
- Symmetrical
- Unimodal
- Bell Shaped
- Asymptotic
- Mean/Mode/Median Centered
Area Under the Normal Curve Calculator
Skews
- Negative
- Positive
Kurtosis
- Leptokurtic
- Platykurtic
Survey Research
Relationship between the Sample and the Population
Types of Populations
- Target
- Accessible
Generalizable
Types of Sampling
- Simple Random Sample
- Stratified Random Sample
- Systematic Sample
- Cluster Random Sample
- Convenience Sample
- Purposive Sample
Random Number Table
Confidence Interval
Confidence Level
Sample Size Calculator
Sample Size
Reasons for larger than normal samples
Survey Research Designs
- Cross Sectional
- Longitudinal
- Trend
- Panel
- Cohort
Data Collection Types
- Direct administration to a group
- Mail survey
- Telephone survey
- Web survey
- Personal interview
Nonrespondents versus respondents
Types of Survey Questions
- Open-ended
- Closed or Fixed Responses
- Yes/No or True/False questions
- Multiple choice questions
- Rating scales
- Ranking questions