Back to Research Methods repository
Research Methods2D

Validity and Reliability - Theory & Concepts - Validity Reliability

Defining validity and reliability, measurement errors, types of validity (construct, content, criterion), and understanding Type I and Type II errors.

Open the complete lesson

Validity vs. Reliability Target Simulation

Select a scenario to visualize how data points group on a target. The bullseye represents the true value (Valid). Grouping tightly represents consistency (Reliable).

The points are scattered everywhere. You are neither hitting the bullseye nor hitting the same spot consistently.