The SNARC (Spatial Numerical Association of Response Codes) effect is the finding that small numbers elicit faster left than right responses and large numbers elicit faster right than left responses. This effect suggests that numbers activate left-right magnitude-laterality codes and that these codes interact with the selection of left-right responses. In the present research, subjects made parity decisions for one-digit numbers (in Experiment 1) and two-digit numbers (in Experiment 2), and we examined the effect of stimulus repetition on the SNARC effect. With single-digit stimuli, responses were faster and the SNARC effect was eliminated when stimuli were identical on successive trials. With two-digit stimuli, responses were faster when the ones digit was repeated, but the SNARC effect was found regardless of whether the digit was repeated or not. We argue that magnitude-laterality codes are activated in the process of accessing number information in memory and that this process can be short circuited if the visual stimulus matches that on the previous trial. Thus, no SNARC effect is found in Experiment 1 when identical stimuli are presented on successive trials. However, this result is not found in Experiment 2 because successive stimuli do not match even if the ones digit is repeated.
The level of educational attainment is increasingly being recognized as an important social determinant of health. While higher educational attainment can play a significant role in shaping employment opportunities, it can also increase the capacity for better decision making regarding one’s health, and provide scope for increasing social and personal resources that are vital for physical and mental health. In today’s highly globalized knowledge based society postsecondary education (PSE) is fast becoming a minimum requirement for securing employment that can afford young adults the economic, social and personal resources needed for better health. Canada ranks high among OECD countries in terms of advanced education, with 66% of Canadians having completed some form of postsecondary education. Yet youth from low income indigenous and visible minority (LIIVM) backgrounds continue to be poorly represented at PSE levels. The current study aimed to understand the reasons for this poor representation by examining the experiences of LIIVM students enrolled in a postsecondary program. Findings show that the challenges they faced during the course of their study had an adverse impact on their health and that improving representation of these students in PSE will require changes at many levels.
Research on the social determinants of health informs us that employment is a major determinant of mental health not only because it provides income but also because it affords people a sense of identity and purpose, social contacts and opportunities for personal growth (Harnois & Gabriel, 2000;Keon & Pepin, 2009;Raphael, Bryant, & Rioux, 2010). In the case of people with serious mental disorder, employment can provide a stepping-stone to recovery and there is increasing evidence that the ability to participate in employment enriches their quality of life and decreases disability (Ackerman &
Two generations of psychologists have been interested in understanding binary choice under uncertainty. In the 1970s and 1980s, researchers assumed that people rely on a two-stage magnitude comparison process to make these decisions (Banks, 1977; Moyer & Dumais, 1978). More recently, the focus has shifted to approaches that rely on probabilistic cues and simple heuristics (Gigerenzer & Goldstein, Psychological Review 103, 650-669, 1996). Here, we test competing predictions derived from these two very different approaches and conclude that the magnitude comparison process plays a central role in this task. In support of this conclusion, we present an experiment in which participants were timed as they decided which of two vehicles was more expensive. Pairs composed of one luxury vehicle (e.g., BMW 323i) and one nonluxury vehicle (e.g., Toyota 4Runner) were critical because the magnitude comparison approach correctly predicted that reaction times would decrease with subjective distance, whereas the heuristics approach incorrectly predicted that there would be no relation.
Supported employment (SE) is an evidence-based program that has shown much promise in helping people with severe mental illnesses (SMIs) to gain and sustain competitive employment. However, there are significant variations in employment outcomes across SE programs in Canada that can be partly explained by SE service users’ experiences in their work environment. The work environment can exert a considerable influence on the interest in and ability to sustain the employment of a person with an SMI. This study explores the work experiences of individuals with SMIs who are involved in an SE program and who understand the challenges of and barriers to sustaining such employment. Semistructured, in-depth interviews were conducted with 15 individuals with SMIs, and the data were analyzed using a constructivist grounded theory approach. Challenges to the employment sustainability of an individual with SMI were found to arise primarily from three intersecting contexts: the SE program, the work environment, and the larger Canadian labor market. The findings suggest that SE programs will better promote employment sustainability if they adhere closely to individual placement and support model of SE. SE service providers (employment specialists) must be equipped with a wide range of knowledge and skills to meet the needs of individuals with SMIs if sustainable employment is to be achieved. It is recommended that there must be investment in training for employment specialists to assist SE service users to achieve sustainable employment outcomes.
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