Allison Gray

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Ladislav Šmejda

University of West Bohemia

Helen Dawson

University of Tübingen

Andreas Külzer

Austrian Academy of Sciences

Khayati Mohamed Sofiene

Ecole Supérieure de la Statistique et de l'Analyse de l'Information

Attila Türk

Pázmány Péter Catholic University

LALIT M. TIWARI

Punjabi University Patiala

Marco Cavalieri

UCLouvain (University of Louvain)

Ivan Vajsov

National Institute of Archaeology and Museum, Bulgarian Academy of Sciences

Elisabetta Scarton

Università degli Studi di Udine / University of Udine

Margarita Voulgaropoulou

Ruhr-Universität Bochum

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Papers by Allison Gray

Early Literacy, Equity, and Test Score Comparability during the Pandemic

Educational Assessment, Apr 3, 2022

Early Literacy, Equity, and Test Score Comparability during the Pandemic

Educational Assessment

Daily Implications of Felt Love for Sleep Quality

The American Journal of Psychology, 2021

This study introduces the concept of felt love as the monadic experience of love, a parallel of d... more This study introduces the concept of felt love as the monadic experience of love, a parallel of dyadic love, and presents a study examining the relationships between daily felt love and sleep quality across 28 days. Before beginning the daily protocol, participants answered 60 questions assessing common situations that may make people feel loved. These questions were used to establish a consensus on the meaning of felt love for the specific participants under study. During the daily life study, participants (N = 52) provided self-reports via smartphone surveys for 28 days. Each morning upon waking, participants assessed their subjective sleep quality, and each evening positive affect was assessed with a set of 5 questions. Participants also rated how much they felt loved at 6 semirandom times throughout the day. Felt love measures were aggregated to obtain daily means and individual means across the study. Variability in felt love was quantified by calculating within-day and between...

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Recurrence Quantification for the Analysis of Coupled Processes in Aging

The Journals of Gerontology: Series B, 2017

Objectives: Aging is a complex phenomenon, with numerous simultaneous processes that interact wit... more Objectives: Aging is a complex phenomenon, with numerous simultaneous processes that interact with each other on a moment-to-moment basis. One way to quantify the interactions of these processes is by measuring how much a process is similar to its own past states or the past states of another system through the analysis of recurrence. This paper presents an introduction to recurrence quantification analysis (RQA) and cross-recurrence quantification analysis (CRQA), two dynamical systems analysis techniques that provide ways to characterize the self-similar nature of each process and the properties of their mutual temporal co-occurrence. Method: We present RQA and CRQA and demonstrate their effectiveness with an example of conversational movements across age groups. Results: RQA and CRQA provide methods of analyzing the repetitive processes that occur in day-today life, describing how different processes co-occur, synchronize, or predict each other and comparing the characteristics of those processes between groups. Discussion: With intensive longitudinal data becoming increasingly available, it is possible to examine how the processes of aging unfold. RQA and CRQA provide information about how one process may show patterns of internal repetition or echo the patterning of another process and how those characteristics may change across the process of aging.

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Automatic Facial Feature Extraction for Predicting Designers' Comfort With Engineering Equipment During Prototype Creation

Journal of Mechanical Design, 2017

Designers frequently utilize engineering equipment to create physical prototypes during the itera... more Designers frequently utilize engineering equipment to create physical prototypes during the iterative concept generation and prototyping phases of design. Currently, evaluating designers' efficiency during prototype creation is a manual process that either involves observational or survey based approaches. Real-time feedback when using engineering equipment has the potential to enhance designers' efficiency or mitigate potential injuries that may result from incorrect use of equipment. Toward an automated approach to addressing these challenges, the authors of this work test the hypotheses that (i) there exists a difference in designers' comfort levels before and after they use a piece of engineering prototyping equipment and (ii) a machine learning model predicts the level of comfort a designer has while using engineering prototyping equipment with accuracies greater than random chance. It has been shown that the level of comfort that an individual has while completing ...

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Exploring the link between task complexity and students' affective states during engineering laboratory activities

Early Literacy, Equity, and Test Score Comparability during the Pandemic

Educational Assessment, Apr 3, 2022

Early Literacy, Equity, and Test Score Comparability during the Pandemic

Educational Assessment

Daily Implications of Felt Love for Sleep Quality

The American Journal of Psychology, 2021

Download

Recurrence Quantification for the Analysis of Coupled Processes in Aging

The Journals of Gerontology: Series B, 2017

Download