while many international organisations have independent evaluations, including the international monetary fund (imf) and world health organization (who), uniquely the world bank in its 2015 world development report sought to ascertain the potential biases that influence how its staff interpret evidence and influence policy. here, we describe the world bank’s study design, including experiments ...

introduction: the supervision of academic theses at the universities of medical sciences is one of the most important issues with several challenges. the aim of the present study is to discover the nature of problems and challenges of thesis supervision in iranian universities of medical sciences. methods: the study was conducted with a qualitative method using conventional content analysis app...

the colorful paths and rainbow paths have been considered by severalauthors.a colorful directed path in a digraph $g$ is a directed path with $chi(g)$ vertices whose colors are different. a $v$-colorful directed path is such a directed path, starting from $v$. we prove that for a given $3$-regular triangle-free digraph $g$ determining whether there is a proper $chi(g)$-coloring of $g$such that ...

: This study aims to explore the relationship between syntactic and lexical complexity and also the relationship between different aspects of lexical complexity. To this end, speech monologs of 35 Iranian high-intermediate learners of English on three different tasks (i.e. argumentation, description, and narration) were analyzed for correlations between one measure of sy...

many graph theoretical parameters have been used to describe the vulnerability of communication networks, including toughness, binding number, rate of disruption, neighbor-connectivity, integrity, mean integrity, edgeconnectivity vector, l-connectivity and tenacity. in this paper we discuss integrity and its properties in vulnerability calculation. the integrity of a graph g, i(g), is defined t...

abstract the present study was an attempt to investigate the relationship between efl learners’ anxiety and writing complexity. for the purpose of the study, 70 female learners, between 17 and 24 years old (mean=20) from najm language school in tehran participated in the study. the participants’ level of anxiety was measured using horwitz, horwitz, and cope’s anxiety questionnaire (1986) and th...