Psychology of the Scientist

XVI. Experience of E as a Variable in Reducing Experimenter Bias

Bibliographic Data

ID13678010
AuthorsLarry H Ingraham (State College of Iowa, corresponding author), Gordon M Harrington (State College of Iowa)
Year1966
Volume19
Issue2
Pages455-461
Publication date1966-10-01
Open AccessYes
TypeARTICLE
VenuePsychological Reports (JOURNAL)
Journal identifiersISSN: 0033-2941 • E-ISSN: 1558-691X
PublisherSAGE Publishing (PUBLISHER • US)
DOI10.2466/pr0.1966.19.2.455
PMID5912811
OpenAlexW2084191392
LanguageEN
Citations received8
References cited8

Although E bias has been experimentally induced and its effects discussed, few attempts have been made to explain it or to study it when E simultaneously runs all experimental conditions. In this study 27 naive Es conditioned fictitiously typed “bright” and “dull” rats for bar-pressing. Six Es ran only “bright” Ss, 6 Es ran only “dull” Ss, and 15 Es ran both types. The mean differences among groups were not significant, although there was evidence that Es were biased and those who ran both conditions showed attenuated differences. The negative results were attributed to a long pretraining period for Es, and the bias present was explained as an initial and not continuing response to conformity stimuli in an ambiguous situation

Cognitive psychology · Conformity · Developmental psychology · Behavioral Health and Interventions · Psychology · Social Psychology

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