More methodologically sound studies investigating the psychological functioning of siblings of children with a chronic illness are needed. Clinicians need to know that siblings of children with a chronic illness are at risk for negative psychological effects. Intervention programs for the siblings and families of children with a chronic illness should be developed.

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The findings confirm the ability of fear of falling to predict falls but challenge preexisting models developed to account for the relationship between falls and fear. The findings also suggest limits on the generalizability of fear-avoidance models of pain. The authors conclude by suggesting mechanisms that could account for the relationship of fears with falls and pain. Unlike previous conceptualizations, these mechanisms do not rely on activity avoidance as an explanation.

While quantitative methodologists advance statistical theory and refine statistical methods, substantive researchers resist adopting many of these statistical innovations. Traditional explanations for this resistance are reviewed, specifically a lack of awareness of statistical developments, the failure of journal editors to mandate change, publish or perish pressures, the unavailability of user friendly software, inadequate education in statistics, and psychological factors. Resistance is reconsidered in light of the complexity of modern statistical methods and a communication gap between substantive researchers and quantitative methodologists. The concept of a Maven is introduced as a means to bridge the communication gap. On the basis of this review and reconsideration, recommendations are made to improve communication of statistical innovations.