2 resultados para Stratified sampling

em Aston University Research Archive


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The role of interpersonal attraction into the recruitment selection is gaining research attention. Early work in the domain of the influence of attraction in organisations suggested that men are given more resources, such as higher salaries and promotions. However, recent research has found women have an automatic in-group bias. It was suggested that female interviewers are more likely to hire another female. In contrast, male interviewers were found to be equally as likely to hire men as women. To resolve these two conflicting findings a behavioural experiment was set up looking at gender, attractiveness and recruitment selection. Forty participants, twenty male and twenty female, of varying ages (18-65) were recruited through age stratified sampling. Participants took on the role of manager of a medium sized company and were shown twenty photographs of faces previously rated for attractiveness. On initial viewing participants were asked to decide whether they would firstly hire the person and secondly give as many reasons for their decision. Findings from this research show that in all age groups male and female participants gave females (especially attractive females) more jobs, except in the case of the 18-21 year old females who gave attractive males more jobs. On examining the reasons behind the participant’s decisions, it was evident that if you appeared confident, friendly, youthful and attractive you were 46% more likely to receive the job. However, if you were perceived to be untrustworthy, lazy, arrogant and unintelligent you were 49% more likely not to receive the job. These findings shed light on the various processes that may underpin human resource decisions in an organisational setting.

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Background There is a paucity of data describing the prevalence of childhood refractive error in the United Kingdom. The Northern Ireland Childhood Errors of Refraction study, along with its sister study the Aston Eye Study, are the first population-based surveys of children using both random cluster sampling and cycloplegic autorefraction to quantify levels of refractive error in the United Kingdom. Methods Children aged 6–7 years and 12–13 years were recruited from a stratified random sample of primary and post-primary schools, representative of the population of Northern Ireland as a whole. Measurements included assessment of visual acuity, oculomotor balance, ocular biometry and cycloplegic binocular open-field autorefraction. Questionnaires were used to identify putative risk factors for refractive error. Results 399 (57%) of 6–7 years and 669 (60%) of 12–13 years participated. School participation rates did not vary statistically significantly with the size of the school, whether the school is urban or rural, or whether it is in a deprived/non-deprived area. The gender balance, ethnicity and type of schooling of participants are reflective of the Northern Ireland population. Conclusions The study design, sample size and methodology will ensure accurate measures of the prevalence of refractive errors in the target population and will facilitate comparisons with other population-based refractive data.