Validity

Objectivity

Primary Data

Secondary Resources

Operationalise

Gatekeeper

Sample Frame

Random Sample

Systematic Sample

Stratified Sample

Quota Sample

Snowball Sample

Interpretivism

Positivism

Hypothesis

Lab Experiment

Field Experiment

Hawthorne Effect

Pilot Study

Interviewer bias

Ethnography

Triangulation

Going Native

Event Sampling

Time Sampling

Unstructured Observation

Structured Observation

Methodological pluralism

Independent variable

Dependent variable

Extraneous variables

Confounding variables

Control group

Hawthorne effect

Ecological Validity

Representativeness

Generalisiablity

Social Desirability Bias