نتایج جستجو برای: bias

تعداد نتایج: 110381  

Journal: :international journal of health policy and management 0
justin parkhurst london school of hygiene and tropical medicine, london, uk

the field of cognitive psychology has increasingly provided scientific insights to explore how humans are subject to unconscious sources of evidentiary bias, leading to errors that can affect judgement and decision-making. increasingly these insights are being applied outside the realm of individual decision-making to the collective arena of policy-making as well. a recent editorial in this jou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1387

چکیده ندارد.

طوقیان چهارسوقی, نرگس, عبدلی, سامره, محمدی, مینا,

Background & Objectives: Randomized controlled trials are the most reliable type of study to be able to compare different interventions in scientific research. The introduction of bias into the design and conduct of randomized controlled trials can seriously affect the accuracy of the results and led to the results be invalid. The aim of this study was to assess the bias in randomized controlle...

ژورنال: ارمغان دانش 2019

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...

Journal: :journal of agricultural science and technology 0
b. h. gabdo institute of agricultural and food policy studies, putra infoport, universiti putra malaysia, 43400 serdang, selangor, malaysia. m. i. mansor institute of agricultural and food policy studies, putra infoport, universiti putra malaysia, 43400 serdang, selangor, malaysia. h. a. w. kamal institute of agricultural and food policy studies, putra infoport, universiti putra malaysia, 43400 serdang, selangor, malaysia. a. m. ilmas institute of agricultural and food policy studies, putra infoport, universiti putra malaysia, 43400 serdang, selangor, malaysia.

this study investigates issues on efficiency and elasticity of broiler production in peninsular malaysia. data from 296 broiler farms were subjected to sfa, dea and bootstrap methods for technical efficiency; translog and tobit regression analyses to estimate elasticity of production and determinants of efficiency respectively in broiler production. we found that farmers produce mean efficiency...

This study, investigates the effect of bias voltage on structural changes of diamond-like carbon thin film created by ion beam deposition is investigated. For this purpose, the bias voltage in the values of 0 V, -50 V, -100 V and -150 V on the AA5083 aluminum alloy was considered. Raman spectroscopy was used to evaluate structural. Influence of the bias voltage on the thickness and roughness of...

Journal: :اقتصاد و توسعه کشاورزی 0
حبیب اله سلامی علی محمد جعفری زینب شکوهی

while ignoring income distribution and estimating aggregate demand generally leads to aggregation bias and thus, does not reflect households’ demand properly, yet aggregation bias is rarely considered in empirical demand studies and simply is ignored in most cases. the objective of the present study is to estimate aggregation bias in households’ demand for various types of meats and to evaluate...

Objectives A recent method that modifies the intrusive memories is cognitive bias modification. This study aimed to investigate and compare the three none-attendance therapies of standardized cognitive bias modification, cognitive bias modification based self-generation and cognitive-behavior training. Methods According to inclusion and exclusion criteria, a total of 51 participants were selec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1392

while performance-based language assessment has led to an increased authenticity and content validity in the practice of writing assessment, the reliability of ratings has become a major issue. research findings have shown different reactions by native english speaker (nes) and non-native english speaker (nns) teachers to students’ writings. the focus of this study is on investigating whether i...

2001
Stacey H. Chen Sreya Kolay Yoonsoo Lee Toshihiko Mukoyama

Attending college seems to be a profitable and affordable investment in the US. Nevertheless, a number of academically talented young people still hesitate to attend college. This puzzle motivates this paper to test for whether college education is a risky investment. To measure the riskiness of college attendance, I estimate the risk differential in earnings between college attendees and high ...

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