Quantitative And: Statistical Research Methods :...

Uses random assignment and controlled variables to establish direct cause-and-effect. The Statistical Research Process

Rejecting a true null hypothesis (a "false positive").

The number of participants; larger samples generally increase the Statistical Power of a study. Quantitative and statistical research methods :...

Apply statistical tests to interpret the numbers. Common Statistical Tests

Failing to reject a false null hypothesis (a "false negative"). Uses random assignment and controlled variables to establish

Measures the strength of a linear relationship between two variables.

Use standardized instruments like Online Surveys or structured observations. Men vs. Women).

Compares the means of two independent groups (e.g., Men vs. Women).