BACKGROUND In the Copenhagen mammography screening program from 1991 to 2001, mammographic density was classified either as fatty or mixed/dense. This dichotomous mammographic density classification system is unique internationally, and has not been validated before. PURPOSE To compare the Danish dichotomous mammographic density classification system from 1991 to 2001 with the density BI-RADS...

aim : the aim of this study was to determine whether there is relation between body mass index and symptoms of gastro-esophageal reflux disease in our community using logit, probit and complementary log-log models. background : the most frequent statistical tool to address the relationship among a dichotomous response and other covariates is logistic regression. however logistic regression is f...

Analytic results indicate that many heads often can be better than one even when none o f the added heads is as individually compe ten t as the first . We define individual competence (accuracy) in a dichotomous choice situation as the probability Pi of making the 'correct' or 'better' choice.~ Condorcet (1785) shows that if each person has equal competence, and if that competence, pi, is great...

Introduction: Orthodontic treatment duration has always been a topic of concern to patients and one the aims orthodontic is minimize overall time. Aim Objective: To determine benefits providing index-based accurate before in practice management. Materials Method: A cross-sectional questionnaire survey was chosen method research. multiple choice dichotomous question structured with 15 relevant q...

We conducted a survey of institutional investors in Beijing and Shenzhen to analyze the factors affecting green bond (GB) investing China, such as credit rating, GB issuer, fund use, liquidity, redemption term, certification label, type currency. then compared results for Shenzhen, including that affected greenium two cities’ willingness pay (WTP). Using double-bounded dichotomous choice contin...

We consider a combinatorial auction model where preferences of agents over bundles objects and payments need not be quasilinear. However, we restrict the to dichotomous. An agent with dichotomous preference partitions set as acceptable unacceptable, at same payment level, she is indifferent between in each class but strictly prefers unacceptable bundles. show that there no Pareto efficient, dom...

Dichotomous thinking is a propensity for individuals to understand events as opposites, in binary way. There are currently two inventories that accurately measure this construct, the Thinking Inventory, and Eating Disorders Scale. The present study aimed carry out review process compile all empirical studies have made use of either these instruments. To achieve goal, we carried scoping review. ...

test method facet is one of the factors which can have an influence on the test takers’ performance. the purpose of the current study was to investigate the effects of two different response types, multiple-choice cloze and multiple-choice test, on the pre-intermediate and intermediate test takers’ reading comprehension performance. to this end, 40 pre-intermediate and intermediate learners par...