Blocking

Definition

Blocking is a technique used in experimental design where subjects or items are grouped together based on certain characteristics before being assigned to different treatment groups. It helps control for potential sources of variation and increases precision in estimating treatment effects.

Related terms

Treatment Groups: These are groups within an experiment that receive different levels or types of treatment.

Random Assignment: This refers to randomly assigning subjects or items into different treatment groups, ensuring equal representation across all groups.

Factorial Design: This is an experimental design where multiple independent variables (factors) are studied simultaneously, allowing for analysis of their individual effects as well as interactions between them.