Standard Deviation

Normal Distrubution

Mode

Median

Mean

Operational Definitions

Random Assignment

Cross sectional study

Longitudinal Study

Zero corellation

Correlation Studies

Participant Bias

Researcher bias

Surveys

Skewed Distribution

Reliability

Random Selection

Random Assignment

Quasi Experiment

Quantitative Data

Population

Placebo

Normal Distribution

Hypothesis

Experimental Group

Experiment

Confounding Variables

Central Tendency

Case Studies