Research Question

Quantitative Research

Types

Descriptive Research

Correlational Research

Experimental Research

Important Concepts

Units of Analysis

People

Households

Interactions

Variables

Dependent

Independent

Attributes

Hypothesis

Logical Link to Research Question

Testable

Falsifiable

Variables

Relationship between variables

Precise Meaning for each variable

Measurable

Accurate

Reliable

Qualitative Research

Based on description of phenomenon

May come from

Careful Observation

Interviews Open Ended

Detailed examination

Documents

Artifacts

Aims to understand

Experience

Understanding

Which one to choose?

Questions

What kind of data?

How to gather data?

From whom to gather data?

How to analyze data?

How to display data?

What is the source of the data?

Human data sources

Probability Sampling

Random Sampling

Systematic Random Sample

Stratified Random Sample

Non-Probability Sampling

Purposive Samples

Theoretical Samples

Quota Sampling

Convenience Sampling

Snowball Sampling

Non-human data sources

Existing statistics

Documents

Archives

Visuals

Audio-viusuals

Internet

Artefacts