1. Plural of confounder; factors or variables that obscure or complicate the relationship between two other variables, making it difficult to determine cause and effect.
Usage: Commonly used in statistics, research methodology, and epidemiology
2. Plural of confounder; people or things that confuse or perplex.
Usage: Less common; archaic or literary usage

Examples

• The researchers identified several confounders that could affect the study results, including age and socioeconomic status.
• In medical research, confounders must be controlled for to establish a clear causal relationship.
• Smoking and diet are potential confounders when studying the effects of exercise on heart disease.
• Statistical analysis helps researchers account for confounders in their data.
• Without addressing confounders, the conclusions drawn from the experiment may be unreliable.