Single-Blind Bias

Not just the flaw in a single-blind study, but the broader cultural bias that assumes a problem is solved once the subject's bias is controlled for. It ignores how the researcher's unchecked expectations, culture, and design choices still massively shape outcomes, creating an illusion of objectivity that is really just hidden subjectivity.

Example: A pharmaceutical company runs a study where patients don't know if they get the drug or placebo (single-blind), but the doctors hoping for a blockbuster drug do. Their unconscious encouragement of the treatment group skews results. The single-blind bias is the false confidence that blinding the subject alone guarantees neutrality.

Single-Blind Bias by Dumu The Void February 9, 2026

Single Blind Spot Bias

A metaphor for a researcher's (or field's) one major, unconscious area of ignorance that systematically skews how they design experiments and interpret data. It's the one big thing they cannot see about their own assumptions—often their cultural, gendered, or economic viewpoint—which acts as a hidden lens distorting everything.

*Example: A 20th-century psychology field dominated by wealthy Western men designing studies on "human" motivation using only male undergraduates as subjects. Their single blind spot bias—assuming their experience was universal—led them to pathologize women and non-Westerners for differing.*

Single Blind Spot Bias by Dumu The Void February 9, 2026