How should qualitative researchers select cases? This is an important question, which has been widely canvassed. Mahoney and Goertz (2004) offer some principles to govern case selection, illustrating the argument by Hempel’s raven paradox. In this paper, I suggest resolving the paradox by distinguishing between samples and populations. I also suggest that the Mahoney-Goertz rules have limited s...

The quality of a social relationship represents the history of past social interactions between two individuals, from which the nature and outcome of future interactions can be predicted. Current theory predicts that relationship quality comprises three separate components, its value, compatibility and security. This study is the first to investigate the components of relationship quality in a ...

9. Fritscher-Ravens A, Ghanbari A, Topalidis T, Pelling M, Kon OM, Patel K, et al. Granulomatous mediastinal adenopathy: can endoscopic ultrasound-guided fine-needle aspiration differentiate between tuberculosis and sarcoidosis? Endoscopy. 2011;43:955--61. 10. Béchade D, Roubaud G, Garbay D, Soubeyran I, Hé S, Cazeau AL, et al. Mediastinal sarcoidosis in an oncologic context: role of endoscopic...

There is evidence of an association between Attention Deficit Hyperactivity Disorder (ADHD) and impaired performance on neuropsychological tests. Nevertheless, there is a dearth of research on this topic, particularly among forensic populations where rates of ADHD are notably high. This study aims to investigate the effect of ADHD symptoms on speed and performance on a non-verbal intellectual t...