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The relative age effect on minor sport participation /Ryan, Peter. January 1989 (has links)
No description available.
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Recognizing facial expression of virtual agents, synthetic faces, and human faces: the effects of age and character type on emotion recognitionBeer, Jenay Michelle 08 April 2010 (has links)
An agent's facial expression may communicate emotive state to users both young and old. The ability to recognize emotions has been shown to differ with age, with older adults more commonly misidentifying the facial emotions of anger, fear, and sadness. This research study examined whether emotion recognition of facial expressions differed between different types of on-screen agents, and between age groups. Three on-screen characters were compared: a human, a synthetic human, and a virtual agent. In this study 42 younger (age 28-28) and 42 older (age 65-85) adults completed an emotion recognition task with static pictures of the characters demonstrating four basic emotions (anger, fear, happiness, and sadness) and neutral. The human face resulted in the highest proportion match, followed by the synthetic human, then the virtual agent with the lowest proportion match. Both the human and synthetic human faces resulted in age-related differences for the emotions anger, fear, sadness, and neutral, with younger adults showing higher proportion match. The virtual agent showed age-related differences for the emotions anger, fear, happiness, and neutral, with younger adults showing higher proportion match. The data analysis and interpretation of the present study differed from previous work by utilizing two unique approaches to understanding emotion recognition. First, misattributions participants made when identifying emotion were investigated. Second, a similarity index of the feature placement between any two virtual agent emotions was calculated, suggesting that emotions were commonly misattributed as other emotions similar in appearance. Overall, these results suggest that age-related differences transcend human faces to other types of on-screen characters, and differences between older and younger adults in emotion recognition may be further explained by perceptual discrimination between two emotions of similar feature appearance.
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A study of performance on the graduate level based upon subject marks and intelligence test scores: ages 20 to 60Wood, Waldo Emerson. January 1900 (has links)
Thesis (Ph. D.)--Indiana University, 1931. / Bibliography: p. 52-55.
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Understanding the role of presentation pace in learning a time-sensitive taskHickman, Jamye M. January 2009 (has links)
Thesis (Ph.D)--Psychology, Georgia Institute of Technology, 2010. / Committee Chair: Rogers, Wendy; Committee Member: Catrambone, Richard; Committee Member: Charness, Neil; Committee Member: Feldman, Jack; Committee Member: Fisk, Arthur. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Development and decline of sensory and motor skills in a normative sample / Sensory and motor skillsWhited, Amber R. 24 January 2012 (has links)
This cross-sectional study evaluated the trend in sensory and motor skill development for an archival dataset used in the standardization of the Dean-Woodcock Sensory Motor Battery (D-WSMB). Measures from the D-WSMB were organized into three broad categories according to a factor model identified by Davis, Finch, Dean and Woodcock (2006). Three primary hypotheses were evaluated: a confirmatory factor analysis would support the Davis et al. model for the current dataset, performance on sensory and motor tasks would exhibit a pattern of development and decline across age levels, and gender would not be a significant factor in variability in performance. CFA results indicated the Davis et al. factor model was a poor fit for the current dataset but that each measure loaded significantly on the factor to which it was assigned. Curve estimation identified a significant quadratic relationship between age and performance on each of the skill categories. A significant age and gender interaction was noted for each skill category. The statistically poor fit of the Davis et al. factor model was thought to be due to potential correlations between factors and between measures within the factors, although further research is needed to evaluate the impact of these relationships on model fit. Results confirmed the hypothesis that sensory and motor skill exhibit a pattern of development and decline across age levels, which can guide the interpretation of performance in a clinical setting. Further research is needed on the nature of the age and gender interaction to clarify the impact on performance on measures of sensory and motor skills. In an addendum to this study, performance on individual measures of the D-WSMB was plotted to provide further guidance in the interpretation of results in clinical settings. / Department of Educational Psychology
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On processing line graphs: understanding aging and the role of spatial and verbal resourcesFausset, Cara Bailey 09 July 2008 (has links)
The objective of this research is to explore high-speed analog-to-digital converters (ADCs) using silicon-germanium (SiGe) heterojunction bipolar transistors (HBTs) for wireless digital receiver applications. The stringent requirements of ADCs for the high-performance next-generation wireless digital receiver include (1) low power, (2) low cost, (3) wide input signal bandwidth, (4) high sampling rate, and (5) medium to high resolution. The proposed research achieves the objective by implementing high-performance ADC's key building blocks and integrating these building blocks into a complete sigma-delta analog-to-digital modulator that satisfies the demanding specifications of next-generation wireless digital receiver applications. The scope of this research is divided into two main parts: (1) high-performance key building blocks of the ADC, and (2) high-speed sigma-delta analog-to-digital modulator. The research on ADC's building blocks includes the design of two high-speed track-and-hold amplifiers (THA) and two wide-bandwidth comparators operating at the sampling rate > 10 GS/sec with satisfying resolution. The research on high-speed sigma-delta analog-to-digital modulator includes the design and experimental characterization of a high-speed second-order low-pass sigma-delta modulator, which can operate with a sampling rate up to 20 GS/sec and with a medium resolution. The research is envisioned to demonstrate that the SiGe HBT technology is an ideal platform for the design of high-speed ADCs.
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Age differences in interpersonal problem solving examining interpersonal conflict in an iterated prisoner's dilemma game /Mienaltowski, Andrew S. January 2008 (has links)
Thesis (Ph.D.)--Psychology, Georgia Institute of Technology, 2009. / Committee Chair: Fredda Blanchard-Fields; Committee Member: Ann Bostrom; Committee Member: Christopher Hertzog; Committee Member: Jack Feldman; Committee Member: Paul Corballis
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Examining metacognitive control are there age-related differences in item selection during self-paced study? /Price, Jodi L. January 2008 (has links)
Thesis (Ph.D.)--Psychology, Georgia Institute of Technology, 2008. / Committee Chair: Hertzog, Christopher; Committee Member: Dunlosky, John; Committee Member: Engle, Randall; Committee Member: Rogers, Wendy; Committee Member: Smith, Anderson
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Effects of chronological age on middle level students' academic achievement, self-esteem, satisfaction with school and activity participationPoindexter, Debby S., January 1998 (has links)
Thesis (Ed. D.)--University of Missouri-Columbia, 1998. / Typescript. Vita. Includes bibliographical references (leaves 128-144). Also available on the Internet.
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Effects of chronological age on middle level students' academic achievement, self-esteem, satisfaction with school and activity participation /Poindexter, Debby S., January 1998 (has links)
Thesis (Ed. D.)--University of Missouri-Columbia, 1998. / Typescript. Vita. Includes bibliographical references (leaves 128-144). Also available on the Internet.
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