New electronic tablet devices are often referred to as either saviours of newspapers or killers of traditional print media. These crude statements are based on a naive concept of media substitution and an overestimation of the actual use of new media for news consumption. It is much more likely that …

OBJECTIVE: Our aim was to determine whether the impact of upward and downward social comparison information on individuals' motivation to manage their diabetes is dependent on their regulatory focus (promotion or prevention focus) and self-efficacy. DESIGN: The hypotheses were examined in a cross-sectional …

Delirium is a frequent disorder in the ICU associated with poor outcome. Several organizations, including the SCCM and the APA, therefore recommend standard screening for delirium to improve early diagnosis and treatment. The CAM-ICU is the most frequently used delirium detection tool in the Netherlands. …

A construction method is given for all factors that satisfy the assumptions of the model for factor analysis, including partially determined factors where certain error variances are zero. Various criteria for the seriousness of indeterminacy are related. It is shown that B. F. Green's (1976) conjecture …