نتایج جستجو برای: fundamental differences

تعداد نتایج: 789518  

2008
Qiang Ye Bin Gu Wei Chen Rob Law

This study assesses the influence of managerial responses to online customer reviews on product sales. We leverage a natural experiment provided by two online travel agencies. Both agents allow customers to post reviews on hotels, but only one of the travel agents allows hotel management to post managerial responses. Using a difference-in-difference approach, we find that managerial responses h...

Journal: :Journal of experimental psychology. Learning, memory, and cognition 2012
Ruthann C Thomas Lynn Hasher

Three studies explored whether younger and older adults' free recall performance can benefit from prior exposure to distraction that becomes relevant in a memory task. Participants initially read stories that included distracting text. Later, they studied a list of words for free recall, with half of the list consisting of previously distracting words. When the memory task was indirect in its u...

2003
CATHERINE SOPHIAN

In order to test the hypothesis that recognition is a developmentally stable component of the memory system, age differences in recognition of faces were examined while controlling for nonmemory factors that might contribute to differences between the groups. Three groups of children (mean ages: 3 years, 4 months; 4 years, 9 months: and 6 years, 11 months) and a group of college students were t...

Journal: :Evolution and human behavior : official journal of the Human Behavior and Evolution Society 2000
Buss Shackelford LeBlanc

Men universally express a preference for youth in a long-term mate, presumably an evolved desire originating from the close and recurrent statistical association between a woman's age and her residual reproductive value (future reproductive potential). As a consequence, we hypothesized a positive correlation for men (but not women) between the number of children desired and preferred spousal ag...

Journal: :The journals of gerontology. Series B, Psychological sciences and social sciences 1997
D M Burke

This article evaluates the success of Inhibitory Deficit theory in addressing two basic functions of a theory: explaining available results and predicting new findings. The review focuses on language comprehension and production, domains of cognition vulnerable to age-linked inhibitory deficits under the theory. Considerable research, however, reports remarkable age constancy in many aspects of...

Journal: :Accident; analysis and prevention 1993
A J McKnight A S McKnight

In this study, 150 subjects observed a 25-minute video driving sequence containing 45 highway traffic situations to which they were expected to respond by manipulation of simulated vehicle controls. Each situation occurred under five conditions of distraction: placing a cellular phone call, carrying on a causal cellular phone conversation, carrying on an intense cellular phone conversation, tun...

Journal: :Psychology and aging 2010
Iris Mund Raoul Bell Axel Buchner

Two experiments examined how sensory acuity affects age differences in susceptibility to interference in the reading-with-distraction task. In both experiments, older and younger adults read texts in an italic font and were required to ignore distractor words in an upright font. Experiment 1 examined whether the age-related increase in distractibility can be simulated in younger adults by reduc...

Journal: :Neuropsychologia 2005
Kristine B Walhovd Anders M Fjell Ivar Reinvang Arvid Lundervold Bruce Fischl David Salat Brian T Quinn Nikos Makris Anders M Dale

The rationale for the present study was to investigate the relationship between cortical volume, the latency of the ERP component P3a (as a measure of speed-of-processing), and performance intelligence (not adjusted for age differences). Seventy-one participants aged 20-88 years underwent a visual 3-stimuli oddball ERP task, an MRI-scan, and intelligence testing. P3a latency and cortical volume...

2013
Eric Bettinger Torbjørn Hægeland Mari Rege Kjetil Telle Ingeborg Solli Mark Votruba

In 1998 the Norwegian government introduced a program that increased parents’ incentives to stay home with children under the age of three. Many eligible children had older siblings, and we investigate how this program affected long-run educational outcomes of the older siblings. Using comprehensive administrative data, we estimate a difference-in-differences model which exploits differences in...

Journal: :Experimental aging research 1999
J L Earles A W Kersten

Immediate and delayed recall of performed cognitive activities was examined in 136 adults aged 20 to 85. Hierarchical regression analyses were used to assess the association between perceptual speed and age differences in activity memory. The age-related variance in delayed activity recall was reduced by 52% by the statistical control of perceptual speed, and the age-related variance in immedia...

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