Managing ecosystem services is critical to human survival, yet we do not know how large
natural areas must be to support these services. We investigated how crop pollination …

Background. The issue of sample size has become a dominant concern for UK research
ethics committees since their reform in 2004. Sample size estimation is now a major, but …

Title. Effects of aquatic exercise on flexibility, strength and aerobic fitness in adults with
osteoarthritis of the hip or knee. Aim. This paper reports a study of the effects of aquatic …

In this field study (N= 405) population profiling was introduced to examine general and
specific classes of nonresponse (active vs. passive) to a satisfaction survey. The active …

PURPOSE: To test the null hypothesis that there is no relationship between co**
mechanisms and depression measured before surgery, and pain intensity and disability …

Abstract [Correction Notice: An erratum for this article was reported in Vol 7 (4) of Emotion
(see record 2007-17748-023). The copyright attribution is incorrect. The article is in the …

The 5-HTTLPR polymorphism has been widely regarded as a potential genetic risk factor for
affective disorders. Consistent with this, this polymorphism has been associated with altered …

A sample of clients diagnosed with generalized anxiety disorder (GAD) provided
descriptions of the two major problems they worried about and of potential negative …

The purpose of this study was to investigate the relationship between nutrition knowledge
and body mass index (BMI). The General Nutrition Questionnaire was distributed to 500 …

Aims. The study aims to compare changes over time among three study groups on the
primary outcome, pain, as well as on the secondary outcomes, other symptoms, activities of …