منابع مشابه
Psychophysics of remembering: to bias or not to bias.
Delayed matching to sample is typically a two-alternative forced-choice procedure with two sample stimuli. In this task the effects of varying the probability of reinforcers for correct choices and the resulting receiver operating characteristic are symmetrical. A version of the task where a sample is present on some trials and absent on others is analogous to a yes/no recognition task. We desc...
متن کامل[Confounding bias due to indication and severity in observational studies].
Observational studies are subject to biases that may lead to misinterpretation of the results. This study aimed to determine the influence of omeprazole treatment on the duration of sick leave in patients with ankle sprains treated with non-steroidal anti-inflammatory drugs. We used the Ibermutuamur database. Contrary to our expectations, sick leave was longer in patients who received omeprazol...
متن کاملA Comparison of the Effectiveness of Cognitive Bias Modification in Real and Placebo Conditions on Attentional Bias and Approach Bias in Opium Abusers
Background & Aim: Inability to control drug use is considered a core aspect of drug dependency. Part of this inability is due to cognitive biases resulting from individuals’ constant usage of drugs. The aim of the present study was to compare the effectiveness of cognitive bias modification in real and placebo conditions on attentional bias and approach bias in opium abusers. Methods: This stud...
متن کاملSalmon Bias or Red Herring?
The purpose of this research is to empirically test the salmon bias hypothesis, which states that the "healthy migrant" effect-referring to a situation in which migrants enjoy lower mortality risks than natives-is caused by selective return-migration of the weak, sick, and elderly. Using a unique longitudinal micro-level database-the Historical Sample of the Netherlands-we tracked the life cour...
متن کاملPublication policy or publication bias?
Although ‘‘a large number of studies have appeared in the literature that report associations of low penetrance genetic variants with disease,’’ as suggested in the recent CEBP editorial (1), hardly any of these reports have been translated into solid results by replication studies, at least for the common cancers. To some extent this is inevitable, as false-positive associations are an inheren...
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ژورنال
عنوان ژورنال: British Journal of Clinical Pharmacology
سال: 2015
ISSN: 0306-5251
DOI: 10.1111/bcp.12705