background : research on sensitive topics, such as sexuality, could raise technical, methodological, ethical, political, and legal challenges. the aim of this paper was to draw the methodological challenges which the authors confronted during sexuality research with young population in the iranian culture. methods : this study was an exploratory mixed method one conducted in 2013-14. we intervi...

Several sub-disciplines of engineering are driven by the researchers’ aim of providing positive change to the society through their engineering. These researchers are challenged by the traditional research method of experimental research with a waterfall model which demands clearly defined project definition and functional requirements, and impose a sequential processes leading to the final sys...

I wish to thank Alok Bhargava for organizing a discussion of this interesting paper by Adams et al. My discussion will focus on quite generic philosophical, statistical, and modelling issues that arise when inferring causal e0ects from complex panel and time series data. The analysis of Adams et al. appears to be driven by the following philosophical proposition: when the sample size is large a...