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Full-Text Articles in Social and Behavioral Sciences
The Role Of Working Memory In Fraction Arithmetic: Eye Movements During A Dual Task, Krystal Kamekona-Mendoza
The Role Of Working Memory In Fraction Arithmetic: Eye Movements During A Dual Task, Krystal Kamekona-Mendoza
UNLV Theses, Dissertations, Professional Papers, and Capstones
Fractions are first introduced at the elementary school age, yet difficulty with fraction computation (i.e., adding, subtracting, multiplying, and dividing) continues to persist throughout adulthood. Research suggests that fraction knowledge is predictive of future math achievement and success in algebra. Given the early age at which this concept is introduced and the critical role that it plays in future mathematics success, it is important to better understand the cognitive mechanisms involved in fraction computation and why students continue to struggle with this concept. The role of executive function (e.g., attention, inhibition, working memory) in fraction arithmetic is complex. While working …
To Switch Or Not To Switch: Individual Differences In Executive Function And Emotion Regulation Flexibility, Wei Xing Toh
To Switch Or Not To Switch: Individual Differences In Executive Function And Emotion Regulation Flexibility, Wei Xing Toh
Dissertations and Theses Collection (Open Access)
Emotion regulation (ER) constitutes strategies that modulate the experience and expression of emotions. While past work has predominantly focused on each ER strategy independently, recent research has begun to examine individual-difference factors that are associated with the flexible implementation of ER strategies in line with environmental demands (i.e., ER flexibility). Considering that ER processes generally implicate executive function (EF)—a collection of adaptive, general-purpose control processes—it is plausible that EF could be involved in ER flexibility. Using a latent-variable approach based on a comprehensive battery of EF tasks, the present study investigated how the various aspects of EF (i.e., common EF, …
The Role Of Selection History In Low-Prevalence Visual Search, Kendra Chamlee Smith
The Role Of Selection History In Low-Prevalence Visual Search, Kendra Chamlee Smith
Arts & Sciences Electronic Theses and Dissertations
The low prevalence effect (LPE), the tendency for observers to be more likely to miss rare targets than frequent targets, is a robust error and is difficult to reduce. The LPE is an obstacle in a variety of real-world search tasks in which targets are rare, including baggage screening and some medical imaging. The LPE is thought to occur because when an observer searches for a low-prevalence target, over time, the observer may become both more willing to indicate a target is not there and more likely to end the search early. The present experiments employ three selection history effects, …
Blood Phenylalanine Trajectory And Executive Function Outcomes In Individuals With Phenylketonuria, Clarissa Tardiff
Blood Phenylalanine Trajectory And Executive Function Outcomes In Individuals With Phenylketonuria, Clarissa Tardiff
Arts & Sciences Electronic Theses and Dissertations
Phenylketonuria (PKU) is an autosomal recessive disorder characterized by mutations in phenylalanine hydroxylase genes. As a result, phenylalanine (Phe) metabolism is disrupted, and this amino acid accumulates in blood and tissue (Pietz, 1998; Scriver et al., 2000). Although the most severe symptoms of PKU may be avoided by early detection and treatment, many individuals with early-treated PKU still experience difficulties in executive function, attention, and processing speed (Antenor-Dorsey et al., 2013; Araujo et al., 2013; Christ et al., 2020; Hawks, Strube, Johnson, Grange, & White, 2018; Hood, Grange, Christ, Steiner, & White, 2014; Janos et al., 2012; White et al., …
Authentication Schemes' Impact On Working Memory, Janine D. Mator
Authentication Schemes' Impact On Working Memory, Janine D. Mator
Psychology Theses & Dissertations
Authentication is the process by which a computing system validates a user’s identity. Although this process is necessary for system security, users view authentication as a frequent disruption to their primary tasks. During this disruption, primary task information must be actively maintained in working memory. As a result, primary task information stored in working memory is at risk of being lost or corrupted while users authenticate. For over two decades, researchers have focused on developing more memorable passwords by replacing alphanumeric text with visual graphics (Biddle et al., 2012). However, very little attention has been given to the impact authentication …
Using Chess As An Intervention To Improve Executive Functioning Among Youth, Anandita Oberoi
Using Chess As An Intervention To Improve Executive Functioning Among Youth, Anandita Oberoi
Walden Dissertations and Doctoral Studies
Youth represent a vulnerable segment of the population and may have underdeveloped levels of executive functioning (EF), which is important in both daily life and is shown to have far-reaching effects. This research study aimed to decipher if lessons in the game of chess could be used as an efficacious intervention for accelerating EF development in youth. The three research questions focused on determining whether there was a difference in the chosen indices of EF before and after a 14-session chess intervention. The theoretical framework used for this study was Piaget’s cognitive development theory. This quantitative, single group pretest–posttest design …