Vollkommene Syllogismen und reine Vernunftschlüsse: Aristoteles und Kant. Eine Stellungnahme zu Theodor Eberts Gegeneinwänden. Teil 1

In an earlier article (s. J Gen Philos Sci 40:341–355, 2009), I have rejected an interpretation of Aristotle’s syllogistic which (since Patzig) is predominant in the literature on Aristotle, but wrong in my view. According to this interpretation, the distinguishing feature of perfect syllogisms is their being evident. Theodor Ebert has attempted to defend this interpretation by means of objections (s. J Gen Philos Sci 40:357–365, 2009) which I will try to refute in part [1] of the following article. I want to show that (1) according to Aristotle’s Prior Analytics perfect and imperfect syllogisms do not differ by their being evident, but by the reason for their being evident, (2) Aristotle uses the same words to denote proofs of the validity of perfect and imperfect syllogisms („apodeixis“, “deiknusthai” etc.), (3) accordingly, Aristotle defines perfect syllogisms not as being evident, but as “requiring nothing beyond the things taken in order to make the necessity evident“, i.e. as not “requiring one or more things that are necessary because of the terms assumed, but that have not been taken among the propositions” (APr. I. 1), (4) the proofs by which the validity of perfect assertoric syllogisms can be shown according to APr. I. 4 are based on the Dictum de omni et nullo, (5) the fact that Aristotle describes these proofs only in rough outlines corresponds to the fact that his proofs of the validity of other fundamental rules are likewise produced in rough outlines, e.g. his proof of the validity of conversio simplex in APr. I. 2, which usually has been misunderstood (also by Ebert): (6) Aristotle does not prove the convertibility of E-sentences by presupposing the convertibility of I-sentences; only the reverse is true.     

The Mediating Role of Street Code Attitudes on the Self-Control and Crime Relationship

Research has demonstrated strong but independent attention to the role of self-control and street code attitudes in predicting criminal and violent behavior. Yet, there are good theoretical notions to believe that street code attitudes may be a salient mechanism in the self-control–offending relationship. Specifically, the present study investigates: (1) the extent to which self-control predicts adopting street code attitudes and (2) whether street code attitudes mediate the effect of self-control on criminal behavior. Using data collected from a multisite sample of over 900 young adults, we assess this mediation hypothesis for three distinct types of criminal activity: violent, property, and drug use. Our results reveal that individuals with lower self-control are more likely to adopt street code attitudes, that self-control is related to all three forms of offending, and that street code attitudes fully mediate the effect of self-control on violence, partially on property crime, but not in the case of drug use. Findings and directions for future research are discussed.     

Dimensional comparisons: Much is known about the effects,less about the processes

Dimensional comparisons are comparisons between different domains. They are well known in educational psychology. Here, they explain the seemingly paradoxical finding that students' math and verbal self-concepts of ability usually show correlations close to zero, although students' math and verbal achievements show strong positive correlations. This finding can be explained by the fact that students overemphasize potential differences between their math and verbal achievements when they form their self-concepts. However, dimensional comparisons also take place and affect self-evaluations outside the educational context, and the number of studies examining dimensional comparisons in different contexts has significantly increased during the last few years. This paper provides an up-to-date overview of findings on dimensional comparisons. It presents findings from studies that have examined effects of dimensional comparisons (as most studies dealing with dimensional comparisons have done so far), as well as studies that have focused on an understanding of the psychological processes involved in dimensional comparison (which relatively few studies have done so far). It is hoped that this paper will help broaden awareness of dimensional comparisons and stimulate further research on this type of comparison, especially in disciplines other than educational psychology.     

A Practitioner's Guide to Successful Coalitions

The highly complex practice of building successful community coalitions is explored. Key dimensions related to coalition success are identified and best practices are delineated. Nine dimensions are explored that are critical to coalition success: coalition readiness, intentionality, structure and organizational capacity, taking action, membership, leadership, dollars and resources, relationships, and technical assistance. Two coalition case studies follow the discussion of dimensions and illustrate the journey traveled to create successful community coalitions.     

The past makes the present meaningful: nostalgia as an existential resource

The present research tested the proposition that nostalgia serves an existential function by bolstering a sense of meaning in life. Study 1 found that nostalgia was positively associated with a sense of meaning in life. Study 2 experimentally demonstrated that nostalgia increases a sense of meaning in life. In both studies, the link between nostalgia and increased meaning in life was mediated by feelings of social connectedness. Study 3 evidenced that threatened meaning increases nostalgia. Study 4 illustrated that nostalgia, in turn, reduces defensiveness following a meaning threat. Finally, Studies 5 and 6 showed that nostalgia disrupts the link between meaning deficits and compromised psychological well-being. Collectively, these findings indicate that the provision of existential meaning is a pivotal function of nostalgia.