পদ্ধতির তুলনা করুন

	একক-অন্ধ ক্ষেত্র পরীক্ষা (Single-blind Field Experiment)	ক্ষেত্র পরীক্ষা
ক্ষেত্র	পরীক্ষামূলক নকশা	পরীক্ষামূলক নকশা
পরিবার	Process / pipeline	Process / pipeline
উদ্ভবের বছর	Mid-20th century (blinding conventions formalised 1940s–1960s)	1920s–1930s (agriculture); 1990s–2000s (social sciences)
প্রবর্তক	Established practice in experimental social science and clinical research; codified by Campbell & Stanley (1963) and Shadish, Cook & Campbell (2002)	Formalized by R. A. Fisher (1935); systematized in social sciences by Harrison & List (2004)
ধরন	Controlled field experiment with partial blinding	Experimental design
মৌলিক উৎস	Shadish, W. R., Cook, T. D., & Campbell, D. T. (2002). Experimental and Quasi-Experimental Designs for Generalized Causal Inference. Houghton Mifflin. ISBN: 978-0395615560	Harrison, G. W., & List, J. A. (2004). Field experiments. Journal of Economic Literature, 42(4), 1009–1055.
অপর নাম	single-masked field experiment, field experiment with single blinding, single-blind natural-setting trial	field trial, natural field experiment, randomized field experiment, field RCT
সম্পর্কিত	6	5
সারসংক্ষেপ	A single-blind field experiment combines real-world experimental conditions with partial blinding: either participants or outcome assessors — but not both — are kept unaware of treatment assignment. This design reduces demand characteristics or observer bias while preserving ecological validity, making it a practical middle ground when full double-blinding is logistically infeasible in naturalistic settings.	A field experiment applies the logic of a randomized controlled trial in a naturally occurring, real-world environment rather than an artificial laboratory. Participants are randomly assigned to treatment and control conditions while going about everyday activities, allowing researchers to estimate causal effects with high internal validity while preserving a level of ecological realism that laboratory settings cannot offer. The design is especially prominent in economics, public health, political science, and development research.