نتایج جستجو برای: differences

تعداد نتایج: 596857  

Journal: :The journals of gerontology. Series B, Psychological sciences and social sciences 2015
Yanhua Cheng Daniel Grühn

OBJECTIVES Social rejection is a negative social experience individuals of all ages may encounter in everyday life. It is unclear whether social rejection affects older adults more or less than younger adults. This study investigated age differences in reactions following a direct rejection and the moderating effects of cognitive resources and appraisals. METHOD Eighty-three younger (18-26 ye...

Journal: :The journals of gerontology. Series B, Psychological sciences and social sciences 2007
Lixia Yang Lynn Hasher

Using a picture-word paradigm, we investigated age differences in distraction from to-be-ignored pictures. On each trial, participants viewed a prime word that was superimposed on an irrelevant picture, followed by a test word. The task was to determine whether the prime and test words were semantically related. The pictures were either congruent or incongruent with the response. On control tri...

2010
Kristiina Huttunen Jukka Pirttilä Roope Uusitalo

The Employment Effects of Low-Wage Subsidies Low-wage subsidies are often proposed as a solution to the unemployment problem among the low skilled. Yet the empirical evidence on the effects of low-wage subsidies is surprisingly scarce. This paper examines the employment effects of a Finnish payroll tax subsidy scheme, which is targeted at the employers of older, full-time, low-wage workers. The...

2015
Rachael K. Raw Richard M. Wilkie Alan White Justin H. G. Williams Mark Mon-Williams Andrew Bremner

Some studies have shown that manual asymmetries decrease in older age. These results have often been explained with reference to models of reduced hemispheric specialisation. An alternative explanation, however, is that hand differences are subtle, and capturing them requires tasks that yield optimal performance with both hands. Whereas the hemispheric specialisation account implies that reduce...

Journal: :Ergonomics 2002
David Bunce Laura Sisa

The main objective of this research was to investigate age differences in the perceived workload associated with the performance of a demanding, high event rate, vigilance task. Younger participants (n=26) aged 16 to 35 years (M=27.8) and older participants (n=24) aged 45 to 65 years (M=52.2) completed perceived workload scales (NASA-TLX) following a brief practice session (pretest) on the vigi...

2008
Zhongdi Cen AIMIN XU Aimin Xu

This paper is devoted to an inequality for divided differences in the multivariate case which is similar to the inequality obtained by [J. Pečarić, and M. Rodić Lipanović, On an inequality for divided differences, Asian-European Journal of Mathematics, Vol. 1, No. 1 (2008), 113-120].

Journal: :Gerontology 2013
Gil Greengross

Humor is one of the most important human activities, one that is enjoyed daily by people in every culture and at every age. However, very little is known about how aging affects humor experiences. Research suggests that elderly people enjoy humor more than younger people, but they have increasing difficulties in understanding jokes. Several cognitive mechanisms that may help explain this trend ...

Journal: :Psychology and aging 2000
U Mayr R Kliegl

Old adults' (N = 24) and young adults' (N = 24) speed of producing exemplars of semantic categories (i.e., semantic fluency) varying in difficulty was assessed both in a standard condition and in a "set-switching" condition where exemplars had to be produced from 2 categories in an alternating manner. "Retrieval-position function" parameters were used to assess speed of semantic access independ...

Journal: :The journals of gerontology. Series B, Psychological sciences and social sciences 2009
Thomas M Hess Cassandra M Germain Elizabeth L Swaim Nicole L Osowski

Two studies were conducted to examine age differences in the impact of motivation in a social cognitive task. We tested the hypothesis that aging is associated with an increase in the selective engagement of cognitive resources in support of performance. Different-aged adults read descriptions of 2 people in order to determine which was better suited for a particular job. These descriptions con...

2007
Anatol N. Kirillov Toshiaki Maeno

We discuss a class of generalized divided difference operators which give rise to a representation of Nichols-Woronowicz algebras associated to Weyl groups. For the root system of type A, we also study the condition for the deformations of the Fomin-Kirillov quadratic algebra, which is a quadratic lift of the Nichols-Woronowicz algebra, to admit a representation given by generalized divided dif...

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