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Research Method: Case Study
In-depth investigation of a single individual, group, or event.
Often involves multiple data collection methods (interviews, observations, documents).
Results in rich, detailed qualitative data specific to the case.
holistic
usually show subject in natural environments
Research Method: True Experiment
Controlled study with random assignment of participants to conditions.
Typically conducted in laboratory settings with manipulated variables.
Produces quantitative data suitable for statistical analysis.
Research Method: Focus Group
Guided discussion with a small group of participants.
Usually involves 6-10 participants led by a moderator.
Generates qualitative data from group interactions and discussions.
Research Method: Interview
One-on-one conversation to gather in-depth information.
Can be structured, semi-structured, or unstructured.
Yields qualitative data, often in the form of narratives or quotes.
Research Method: Observation
Systematic watching and recording of behavior in natural settings.
Can be participant or non-participant observation.
Results in both quantitative (frequency counts) and qualitative (descriptive) data.
Research Method: Document Analysis
Examination of written materials or artifacts.
Often involves coding and categorizing content.
Produces both quantitative (content analysis) and qualitative (thematic analysis) data.
All types of research methods:
Case study, true experiment, focus group, interview, observation, document analysis.
Sampling Method: Random Sampling
Every member of the population has an equal chance of being selected.
Reduces bias and increases generalizability.
Requires a complete list of the population.
Sampling Method: Stratified Sampling
Description: Population is divided into subgroups (strata) and samples are taken from each.
Characteristics:
Ensures representation of all subgroups.
Useful when the population has distinct categories.
Note 
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