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71.
The present study with college students examined the effect of amount on the discounting of probabilistic monetary rewards. A hyperboloid function accurately described the discounting of hypothetical rewards ranging in amount from $20 to $10,000,000. The degree of discounting increased continuously with amount of probabilistic reward. This effect of amount was not due to changes in the rate parameter of the discounting function, but rather was due to increases in the exponent. These results stand in contrast to those observed with the discounting of delayed monetary rewards, in which the degree of discounting decreases with reward amount due to amount-dependent decreases in the rate parameter. Taken together, this pattern of results suggests that delay and probability discounting reflect different underlying mechanisms. That is, the fact that the exponent in the delay discounting function is independent of amount is consistent with a psychophysical scaling interpretation, whereas the finding that the exponent of the probability-discounting function is amount-dependent is inconsistent with such an interpretation. Instead, the present results are consistent with the idea that the probability-discounting function is itself the product of a value function and a weighting function. This idea was first suggested by Kahneman and Tversky (1979), although their prospect theory does not predict amount effects like those observed. The effect of amount on probability discounting was parsimoniously incorporated into our hyperboloid discounting function by assuming that the exponent was proportional to the amount raised to a power. The amount-dependent exponent of the probability-discounting function may be viewed as reflecting the effect of amount on the weighting of the probability with which the reward will be received. 相似文献
72.
Joachim Stoeber Matt Harvey Joshua A. Ward Julian H. Childs 《Personality and individual differences》2011,51(8):991-995
According to the Dualistic Model of Passion, two forms of passion can motivate a behavior: harmonious passion and obsessive passion. Across various life activities, studies have found that the two forms of passion show different relationships with affect, linking harmonious passion to positive affect and obsessive passion to negative affect. To investigate if this pattern also holds for online gaming, the present study investigated 160 gamers involved in playing massively multiplayer online role-playing games (MMOs) and examined positive and negative affect (a) when playing and (b) when prevented from playing. In addition, the effects of general affect and craving for playing MMOs were controlled for. Results were as expected from the Dualistic Model of Passion: harmonious passion for online gaming predicted positive affect when playing whereas obsessive passion predicted negative affect when playing and when prevented from playing. Moreover, these effects remained unchanged when general affect and craving were controlled for. With this, the present research shows that individual differences in passion for online gaming explain unique variance in gaming-related emotions. Moreover, the present findings suggests that craving is a variable that future research on positive and negative affect in online gaming should pay closer attention to. 相似文献
73.
John H. Porcerelli William Murdoch Pierre Morris Shannon Fowler 《Journal of clinical psychology in medical settings》2014,21(3):291-296
This study assessed the validity of the Patient–Doctor Relationship Questionnaire-9 (PDRQ-9) in a primary care sample (N = 180). Convergent validity was assessed through a correlation between the patient-rated PDRQ-9 and the physician-rated Difficult Doctor Patient Relationship Questionnaire-10 (DDPRQ-10). Discriminant validity was assessed through correlations between the PDRQ-9 and patient age, patient- and physician-reported health and psychological distress. To determine if the PDRQ-9 could discriminate between groups, patient PDRQ-9 ratings were compared between patients who were treated by faculty physicians versus those who were treated by residents. An exploratory factor analysis confirmed that the PDRQ-9 was made up of a single factor. The PDRQ-9 scale was internally consistent (α = .96) and significantly and negatively correlated with the DDPRQ-10 (r = ?.22, p = .003) and was not significantly correlated with patient age, health, or psychological distress. PDRQ-9 ratings were statistically greater in patients who were treated by faculty physicians than those who were treated by residents (p = .01). This study provides additional support for the reliability and validity of the PDRQ-9 as a measure of the doctor–patient relationship in a primary care sample. 相似文献
74.
Morris Stephanie S. J. Musser Erica D. Tenenbaum Rachel B. Ward Anthony R. Raiker Joseph S. Coles Erika K. 《Journal of abnormal child psychology》2022,50(5):591-603
Research on Child and Adolescent Psychopathology - Psychostimulants are commonly prescribed medications for youth with attention-deficit/hyperactivity disorder (ADHD). Limited studies have... 相似文献
75.
Ethical Theory and Moral Practice - A prevailing understanding of realism, chiefly among its critics, casts realists as those who seek a ‘distinctively political normativity’, where... 相似文献
76.
Douglas N. Morris Jo Stecher Kayla M. Briggs-Peppler Chelsea M. Chittenden Joseph Rubira Lindsay K. Wismer 《Journal of religion and health》2014,53(1):27-36
This mixed-method study examined the responses of 97 occupational therapists on the subject of spirituality in occupational therapy practice. The inclusion of spirituality into the Occupational Therapy Practice Framework (2008) implies that clinicians address spirituality as a component of client-centered practice. This research revealed a gap between education, theory, and practice as evidenced in the quantitative and qualitative data. Although occupational therapy is intended to be holistic, therapists require a more complete understanding of what spirituality is and what the role of the occupational therapist is when addressing spirituality in evaluation or treatment. The discussion of this research provides information for future occupational therapy educators and educational programs as they seek to incorporate the construct of spirituality into curricula. 相似文献
77.
78.
N. Morris S. Keane S. Calkins L. Shanahan M. O'Brien 《Journal of applied developmental psychology》2014
The present study examined the contribution of early reactivity and regulation on externalizing behavior in preadolescence. Moreover, subcomponents of attentional control (i.e., attention shifting and attention focusing) and negative reactivity (i.e., sadness and anger) were examined individually to test whether a specific combination of factors uniquely contributed to the outcome. A subset of data were utilized from the ongoing, longitudinal RIGHT Track project (N = 404), in which parents reported on individual factors at age 4 and teachers reported on externalizing behavior at age 10. A hierarchical linear regression analysis revealed a significant interaction between anger reactivity and attention shifting when controlling for early externalizing behavior, where children with high levels of anger and low levels of attention shifting experienced the greatest increase in externalizing behavior over time. An increased focus on specificity is needed in research on the interplay between reactivity and regulation in the prediction of externalizing behavior. 相似文献
79.
Matt King 《European Journal of Philosophy》2014,22(3):463-482
Control‐based accounts of moral responsibility face a familiar problem. There are some actions which look like obvious cases of responsibility but which appear equally obviously to lack the requisite control. Drunk‐driving cases are canonical instances. The familiar solution to this problem is to appeal to tracing. Though the drunk driver isn't in control at the time of the crash, this is because he previously drank to excess, an action over which he did plausibly exercise the requisite control. Tracing seeks to show that an agent's responsibility for some outcome (over which he lacked control) can be traced back to a prior exercise of control which caused (in the right way) the later lack of control. These and related cases have led many theorists to treat tracing as an indispensable component of any adequate theory of responsibility. This paper argues that tracing is in fact dispensable. I offer two strategies for explaining responsibility in drunk‐driving cases (and those with a similar structure): responsibility can either be exhaustively modeled on recklessness, or exhaustively modeled on negligence. Neither explanation, however, relies on tracing. If I'm right, the case for tracing is seriously weakened. 相似文献
80.
Thirty parents observed their preschoolers (M age = 4;2) experience a standardized laboratory event and discussed the event with their child later that day. Children's memory for this event was subsequently tested at two delay intervals. Prior to the laboratory event, parents were randomly assigned to receive either autonomy-support training (Condition A) or elaborative-structure training (Condition B); training followed the event. Autonomy support-trained parents became more autonomy-supportive following the training; structure-trained parents became more structurally elaborative. Short-term experimenter–child memory interviews took place 2 weeks after the laboratory event; children of autonomy support-trained parents appeared more engaged in this memory interview, while children of structure-trained parents provided more recall and more thematically coherent memory narratives. Long-term experimenter–child interviews took place 8 months after the laboratory event; children of autonomy support-trained parents provided more information in the directed phase of this interview and appeared more engaged in the interview. The effects of high parental autonomy support and high elaborative structure for children's memory and motivation to reminisce are discussed. 相似文献