Although there is an abundance of literature about how to conduct qualitative research and some consideration of possible threats to researchers' psychological well-being, there is little mention of the personal safety issues that researchers face while in the field. Few researchers have attempted to address the issue of researcher safety as a methodological concern. Consequently, there are min...

Many anti-cancer drugs are chemically reactive and cause DNA modifcations, which result in toxic lesions when the cell attempts to replicate the damaged DNA. There are also many anti-cancer drugs that directly target DNA replication, such as anti-metabolites or inhibitors of enzymes that participate in the replication machinery. Thus, targeting DNA replication is a highly successful current str...

Introduction: Substance use disorder is one of the most critical social problems in Iran. For this disorder, weneed a proper assessment tool based on our indigenous culture. Objective: This study assesses the factor structure and psychometric properties of 10-item and 20-item Persian versions of Drug Abuse Screening Tests (DAST-10 and DAST-20). Materials and Methods: In this cross-sectional s...

objective: this study has used item response theory (irt) to examine the psychometric properties of health-related quality-of-life. method: this investigation is a descriptive- analytic study. subjects were 370 undergraduate students of nursing and midwifery who were selected from tabriz university of medical sciences. all participants were asked to complete the farsi version of whoqol-bref. sa...

This study explored the level and sources of EFL enjoyment among 120 Saudi college English majors. It also gender differences in correlation with achievement, autonomy self-efficacy. Students completed a researcher-developed 36-item questionnaire groping enjoyment, autonomy, self-efficacy enjoyment. Students’ GPAs were used as an index achievement. Data analysis revealed that associating studen...