University of Guelph

About: University of Guelph is a education organization based out in Guelph, Ontario, Canada. It is known for research contribution in the topics: Population & Gene. The organization has 26542 authors who have published 50553 publications receiving 1715255 citations. The organization is also known as: U of G & Guelph University.

Standard methods for estimating strength parameters of Apis mellifera colonies

Abstract: This paper covers measures of field colony strength, by which we mean population measures of adult bees and brood. There are generally two contexts in which an investigator wishes to measure colony strength: 1. at the beginning of a study as part of manipulations to produce uniform colonies and reduce experimental error and; 2. as response variables during or at the end of an experiment. Moreover, there are two general modes for measuring colony strength: 1. an objective mode which uses empirical measures and; 2. a subjective mode that relies on visual estimates by one or more observers. There is a third emerging mode for measuring colony strength; 3. computer-assisted digital image analysis. A final section deals with parameters that do not directly measure colony strength yet give important indicators of colony state: flight activity at the entrance; comb construction; and two proxy measures of colony fitness: production of queen cells and drone brood. How to conduct different types of experiments are described, including infectious dose, dose effects, course of infection and longevity tests.

Violence at work: personal and organizational outcomes

Abstract: To date, little empirical research has examined the personal and organizational outcomes associated with exposure to workplace violence On the basis of data from 194 bank tellers, the authors evaluated, and supported, a model suggesting that fear of future violence mediates the relationships between exposure to workplace violence and negative outcomes Specifically, exposure to workplace violence predicted fear of future violence that, in turn, predicted psychological well-being, somatic symptoms, and intent to leave the organization These effects emerged after controlling for self-report bias The mediating role of fear was supported, and implications for future research and practice are discussed