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Articles 1 - 30 of 41
Full-Text Articles in Cognitive Psychology
Neural Dynamics Of Categorical Representations Used For Visual Search, Ashley Phelps
Neural Dynamics Of Categorical Representations Used For Visual Search, Ashley Phelps
Electronic Theses and Dissertations, 2020-
Decades of visual attention research have predominantly used pictorial search paradigms that cue participants with the exact perceptual details of the target. However, in everyday life, people often search for categories rather than specific items (i.e., any pen rather than a specific pen). To study visual attention in a more realistic context, researchers can use categorical search paradigms that cue participants with text indicating the target category. In these instances, one must rely on long-term memory to retrieve categorical features of the target. Both experiments in this study were a reanalysis of experiments previously designed and collected by Schmidt and …
A Novel Virtual Reality Executive Function Assessment, Christine Parsons
A Novel Virtual Reality Executive Function Assessment, Christine Parsons
Electronic Theses and Dissertations, 2020-
Executive Function (EF) is related to cognitive ability and includes such constructs as working memory, inhibition control, and cognitive flexibility (i.e., set shifting). The individual constructs work together to allow a person to set and achieve goals. Student success and achievement have been linked to satisfactory EF skills. Research indicates the testing methods for executive function are diverse and may lack sensitivity. Currently, the NIH Toolbox-Cognitive Battery (NTCB) assessment is a nationally normed standardized battery used to measure individual constructs of executive function in isolation. However, this assessment does not allow measurement of EF as the individual constructs interoperate. Virtual …
Predictors Of Technology Use Among Older Adults: Evidence Ranging From Non-Users To Elite Users, Xiaoqing Wan
Predictors Of Technology Use Among Older Adults: Evidence Ranging From Non-Users To Elite Users, Xiaoqing Wan
Electronic Theses and Dissertations, 2020-
Older adults tend to under-utilize digital technology and online services that can yield substantial benefits to their health and wellbeing. Addressing this problem requires determining robust and consistent predictors of older adults' technology use. Also, few studies have examined older adults who are elite users of digital technology, who may provide insights into how individuals can prepare to become competent users of future technologies as they age. To address these gaps in the technology and aging literature, this dissertation offers (1) large-scale machine learning analyses, (2) longitudinal perspectives, (3) age group comparisons across the adult life span, (4) the novel …
Automation, Take The Wheel: An Examination Of Factors Influencing Trust In Automated Driver Assist Technologies, James Ferraro
Automation, Take The Wheel: An Examination Of Factors Influencing Trust In Automated Driver Assist Technologies, James Ferraro
Electronic Theses and Dissertations, 2020-
Driving technology has progressed significantly since the introduction of anti-lock braking and cruise control decades ago. Current driver assist features can alert drivers of oncoming vehicles and even take control to keep the vehicle centered within its lane. The level of trust that people place in automation can impact how they monitor and accept these automated systems. Previous research has shown several performance outcomes associated with improper calibrations of trust in automation. However, there is still a need to examine trust in the context of advanced driving technologies. Research has yet to sufficiently investigate factors influencing trust in assistive driving …
Investigation Of Realism In Facial Characteristics And Anthropomorphic Language In The Design Of Multimedia Instruction, Ecem Olcum
Electronic Theses and Dissertations, 2020-
Emotional design elements have recently been added to the research in cognitive load and multimedia learning (Um et al., 2012). One aspect of eliciting positive emotions is to use anthropomorphic design, which has been found to increase learning performance (Um et al., 2012; Plass et al., 2014; Park et al., 2015; Schneider et al., 2018). The current research aimed to investigate three design factors in three studies: anthropomorphism in verbal and visual design, single-frame or multi-frame illustrations, and realism of the anthropomorphic visual design. The first study confirmed that the anthropomorphic verbal and visual materials were perceived as anthropomorphic by …
Gamification Of Sleep Hygiene Education For Insomnia: An Examination Of Its Efficacy And The Role Of Individual Differences, Christine Seaver
Gamification Of Sleep Hygiene Education For Insomnia: An Examination Of Its Efficacy And The Role Of Individual Differences, Christine Seaver
Electronic Theses and Dissertations, 2020-
Insomnia is a sleep disorder which is classified by one's persistent inability to fall asleep or maintain sleep. One common yet controversial approach to treating insomnia is sleep hygiene education (SHE). Sleep hygiene is defined as behaviors that promote quality sleep. SHE is typically provided through as a paper sheet containing a list of recommendations, and the findings regarding its efficacy are mixed. Providing insomnia sufferers with a SHE treatment modality that offers practice, feedback, and motivation may be effective at treating insomnia. Therefore, the first goal of the present study is to examine the efficacy of a game-based SHE …
The Effect Of Covid-19 Risk-Enhancing Job Characteristics On Emotional Exhaustion, Zoe Politis, Ignacio Azcarate, Michael Distaso
The Effect Of Covid-19 Risk-Enhancing Job Characteristics On Emotional Exhaustion, Zoe Politis, Ignacio Azcarate, Michael Distaso
The Pegasus Review: UCF Undergraduate Research Journal
The COVID-19 pandemic has posed heightened threats to worker well-being. We know that different jobs pose different levels of risk to employees. Physical proximity and exposure to disease/illness are job characteristics that present threats to employee physical health. Based on cognitive theories of stress, we hypothesized that these job characteristics also pose a threat to employees’ emotional well-being. Our sample of 177 participants was made up of working students coming from the University of Central Florida, Embry Riddle Aeronautical University, and healthcare professionals recruited using a snowball sampling method. These participants consisted primarily of healthcare workers, food service workers, teachers/ …
The Effect Of Reliability Information And Risk On Appropriate Reliance In An Autonomous Robot Teammate, Andrew Talone
The Effect Of Reliability Information And Risk On Appropriate Reliance In An Autonomous Robot Teammate, Andrew Talone
Electronic Theses and Dissertations
This research examined how information regarding a robot teammate's reliability and the consequences for mistakes made by a robot in its task influence reliance on the robot by a human teammate. Of interest in this research was the notion of appropriate reliance: relying on a robot teammate's decisions when it is performing well and not relying on its decisions when it is performing poorly. An experiment was conducted in which participants interacted with an autonomous robot teammate while performing a cordon and search operation within a virtual reality simulation environment. Participants were responsible for monitoring the perimeter of a search …
Oculomotor Mechanisms Underlying Attentional Costs In Distracted Visual Search, Joanna Lewis
Oculomotor Mechanisms Underlying Attentional Costs In Distracted Visual Search, Joanna Lewis
Electronic Theses and Dissertations
Performance consequences have been long established when humans multitask. This research concerns the impact of distraction on the attentional shifts during a task that underlies many cognitive processes and everyday tasks, searching for a target item among non-target items (e.g., scanning the road for potential collisions). There is evidence that increasing the mental workload by introducing additional tasks influences our ability to search our environment or interferes with processing fixated information. In the current studies, I aimed to evaluate the changes in gaze behaviors during visual search to evaluate how multitasking impairs our attentional processes. Participants completed a visual search …
Working Memory Capacity And Executive Attention As Predictors Of Distracted Driving, Jennifer Louie
Working Memory Capacity And Executive Attention As Predictors Of Distracted Driving, Jennifer Louie
Electronic Theses and Dissertations
The present study empirically examined the effects of working memory capacity (WMC) and executive attention on distracted driving. Study 1 examined whether a Grocery List Task (GLT) distractor would load onto WMC. Forty-three participants completed a series of WMC tasks followed by the GLT. They then completed two driving trials: driving without the GLT and driving while completing the GLT. It was hypothesized that WMC would positively correlate with GLT performance. A bivariate correlation indicated that WMC was positively associated with performance on the GLT. Study 2 tested a series of distractor tasks (GLT, Tone Monitoring, and Stop Signal) to …
Eye Movements And Spatial Ability: Influences On Thinking During Analogical Problem Solving, Bradford Schroeder
Eye Movements And Spatial Ability: Influences On Thinking During Analogical Problem Solving, Bradford Schroeder
Electronic Theses and Dissertations
Classic studies have examined the factors that influence the way in which people can solve difficult "insight" problems, which require creative solutions. Recent research has shown that guiding one's eye movements in a pattern spatially congruent with the solution improves the likelihood of formulating a spatial solution. The authors in this line of research argued that guiding eye movements in a pattern spatially equivalent to the solution of the problem yields an embodied cognitive benefit that aids problem solving. Specifically, guiding eye movements leads to the generation of a mental representation containing perceptual information that helps a problem solver mentally …
Psychometric Properties Of A Working Memory Span Task, Juan M. Alzate Vanegas
Psychometric Properties Of A Working Memory Span Task, Juan M. Alzate Vanegas
Honors Undergraduate Theses
The intent of this thesis is to examine the psychometric properties of a complex span task (CST) developed to measure working memory capacity (WMC) using measurements obtained from a sample of 68 undergraduate students at the University of Central Florida. The Grocery List Task (GLT) promises several design improvements over traditional CSTs in a prior study about individual differences in WMC and distraction effects on driving performance, and it offers potential benefits for studying WMC as well as the serial-position effect. Currently, the working memory system is composed of domain-general memorial storage processes and information-processing, which involves the use of …
Memory Of Words: A Categorization Task, Paulina Maxim
Memory Of Words: A Categorization Task, Paulina Maxim
Honors Undergraduate Theses
Through the years, the Deese-Roediger-McDermott Paradigm has demonstrated to be a useful method of observing false memories from semantically related word lists. The present study was conducted fully online and measured memory performance dependent on categorization of words by using groups, as well as dragging words across the page as a form of interaction. In a 2 (Categorized, Non-Categorized) x 2 (Interactive, Non-Interactive) between-subject factorial experiment, 56 undergraduate students were shown 18 different lists of 15 associative words to be studied, one list at a time. Participants were given a free recall test immediately after studying each individual list. Participants …
Categorical Change: Exploring The Effects Of Concept Drift In Human Perceptual Category Learning, Andrew Wismer
Categorical Change: Exploring The Effects Of Concept Drift In Human Perceptual Category Learning, Andrew Wismer
Electronic Theses and Dissertations
Categorization is an essential survival skill that we engage in daily. A multitude of behavioral and neuropsychological evidence support the existence of multiple learning systems involved in category learning. COmpetition between Verbal and Implicit Systems (COVIS) theory provides a neuropsychological basis for the existence of an explicit and implicit learning system involved in the learning of category rules. COVIS provides a convincing account of asymptotic performance in human category learning. However, COVIS – and virtually all current theories of category learning – focus solely on categories and decision environments that remain stationary over time. However, our environment is dynamic, and …
Understanding Human Performance And Social Presence: An Analysis Of Vigilance And Social Facilitation, Victoria Claypoole
Understanding Human Performance And Social Presence: An Analysis Of Vigilance And Social Facilitation, Victoria Claypoole
Electronic Theses and Dissertations
Social facilitation is characterized by improved performance on simple, or well-known, tasks and impaired performance on complex, or unfamiliar, tasks. Previous research has demonstrated that the use of social presence may improve performance on cognitive-based tasks that are relevant to many organizational contexts, such as vigilance. However, to date, there has not been consolidation of the research regarding the different implementations of social facilitation, or any analysis indicating which types of social presence are best under varying conditions. The present dissertation describes three experiments that seek to contribute to a taxonomic framework of social facilitation. Experiment One statistically established a …
The Role Of Content Modality On The Likability Of An Online Communicator, Rebecca L. Pharmer
The Role Of Content Modality On The Likability Of An Online Communicator, Rebecca L. Pharmer
Honors Undergraduate Theses
With the growing popularity of social media platforms like Facebook, human interaction in online environments is increasing. As a result, social perceptions of the individuals "behind the screen" has become a topic that needs to be explored. The present study explores how the media platform (specifically Facebook post versus Video) affects perceptions of an individual with a controversial opinion. Potentially, the same content in a video format may increase the likability of the presenter in contrast to reading the same opinions in Facebook posts. The present study examined the role of alignment of opinion (agree vs. disagree with presenter) and …
Pulse - A Consultation, Barry J. Mauer
Pulse - A Consultation, Barry J. Mauer
Faculty Scholarship and Creative Works
On June 12, 2016, Omar Mateen killed 49 people and injured 53 at the Pulse Nightclub in Orlando, Florida. We may never know or understand what was in Mateen’s mind, but we can situate his attack within the history of eliminationism in America. Islamist terrorism is just part of a larger phenomenon: right wing eliminationism. But despite centuries of right wing eliminationist words and deeds in the U.S., there is little or no mainstream recognition of the phenomenon. Instead, we are treated to more denial, more distraction, more obfuscation. Until we look this problem squarely in the face, it will …
Gamification Of Visual Search In Real World Scenes, Alyssa Hess
Gamification Of Visual Search In Real World Scenes, Alyssa Hess
Electronic Theses and Dissertations
Gamification, or the application of game-like features in non-game contexts, has been growing in popularity over the last five years. Specifically, the successful gamification of applications (such as Waze, Foursquare, and Fitocracy) has begun a spike in gamification of more complex tasks, such as learning to use AutoCAD or Photoshop. However, much is unknown about the psychological mapping of gamification or how it translates to behavioral outcomes. This dissertation aims to compare three distinct styles of gamification (avatars, points and feedback, and leaderboards) onto the three basic psychological needs (autonomy, competence, and relatedness). It will assess behavioral outcomes on a …
Examining Energetic And Structural Components Of Knowledge Of Result Using A Vigilance Paradigm, Nicholas Fraulini
Examining Energetic And Structural Components Of Knowledge Of Result Using A Vigilance Paradigm, Nicholas Fraulini
Electronic Theses and Dissertations
Vigilance, or the ability to maintain attention to stimuli over a prolonged period of time (Davies & Parasuraman, 1982; Warm & Jerison, 1984), has been a troublesome research topic since World War II. Scientists have sought to counteract performance declines in vigilance tasks by training observers on these tasks. Though an extensive literature has been developed to examine the effectiveness of these techniques, the mechanisms by which many forms of vigilance training help performance are largely unknown. The present dissertation seeks to further the understanding of how two forms of training for vigilance, practice and knowledge of result, function to …
Examining The Role Of Cardiovascular And Cognitive Fitness In Goal-Directed Aiming Across The Lifespan, Michael Rupp
Examining The Role Of Cardiovascular And Cognitive Fitness In Goal-Directed Aiming Across The Lifespan, Michael Rupp
Electronic Theses and Dissertations
Older adults experience more difficulties completing goal directed movements than younger adults. The reasons for this have not been completely elucidated within the research literature; however, it is thought that age related movement differences are due to at least one of three possible reasons. The current study investigated the influence of these three hypotheses: (1) biomechanical changes (limbs, joints, or muscles), (2) sensory feedback processing ability, or (3) differences in overall movement strategy on movement kinematics. Additionally, physical activi-ty is known to improve both physical and cognitive functioning and staying cognitively active may also attenuate age-related declines in cognitive ability; …
The Role Of Accounts And Apologies In Mitigating Blame Toward Human And Machine Agents, Kimberly Stowers
The Role Of Accounts And Apologies In Mitigating Blame Toward Human And Machine Agents, Kimberly Stowers
Electronic Theses and Dissertations
Would you trust a machine to make life-or-death decisions about your health and safety? Machines today are capable of achieving much more than they could 30 years ago—and the same will be said for machines that exist 30 years from now. The rise of intelligence in machines has resulted in humans entrusting them with ever-increasing responsibility. With this has arisen the question of whether machines should be given equal responsibility to humans—or if humans will ever perceive machines as being accountable for such responsibility. For example, if an intelligent machine accidentally harms a person, should it be blamed for its …
Beyond Compliance: Examining The Role Of Motivation In Vigilance Performance, Alexis Neigel
Beyond Compliance: Examining The Role Of Motivation In Vigilance Performance, Alexis Neigel
Electronic Theses and Dissertations
Vigilance, or sustained attention, is the capacity to attend to information for a prolonged period of time (Davies & Parasuraman, 1982; Jerison, 1970; Warm, 1977). Due to limitations of the human nervous system, as well as the environmental context, attention can begin to wane over time. This results in a phenomenon referred to as the vigilance decrement, or a decline in vigilance performance as a function of time. The vigilance decrement can manifest as poorer attention and is thusly associated with poor performance, which is defined behaviorally as more lapses in the detection of critical signals and an increase in …
Do Multiple Conditions Elicit The Visual Redundant Signals Effect In Simple Response Times?, Ada Mishler
Do Multiple Conditions Elicit The Visual Redundant Signals Effect In Simple Response Times?, Ada Mishler
Electronic Theses and Dissertations
The redundant signals effect, or redundancy gain, is an increase in human processing efficiency when target redundancy is introduced into a display. An advantage for two visual signals over one has been found in a wide variety of speeded response time tasks, but does not always occur and may be weakened by some task parameters. These disparate results suggest that visual redundancy gain is not a unitary effect, but is instead based on different underlying mechanisms in different tasks. The current study synthesizes previous theories applied to redundancy gain into the three-conditions hypothesis, which states that visual redundancy gain depends …
Real Loneliness And Artificial Companionship: Looking For Social Connections In Technology, Fernando L. Montalvo
Real Loneliness And Artificial Companionship: Looking For Social Connections In Technology, Fernando L. Montalvo
Honors Undergraduate Theses
Loneliness among older adults is a problem with severe consequences to individual health, quality of life, cognitive capacity, and life-expectancy. Although approaches towards improving the quality and quantity of social relationships are the prevailing model of therapy, older adults may not always be able to form these relationships due to either personality factors, decreased mobility, or isolation. Intelligent personal assistants (IPAs), virtual agents, and social robotics offer an opportunity for the development of technology that could potentially serve as social companions to older adults. The present study explored whether an IPA could potentially be used as a social companion to …
Comparing Sexual Cognition And Risk By Gender, Jacquelynne Dauk
Comparing Sexual Cognition And Risk By Gender, Jacquelynne Dauk
Honors Undergraduate Theses
The ways in which sexuality is perceived among members of society has substantial effects in regards to overall health and well-being. The current study investigates not only the nature of sexual cognition but also the differences in cognition in regards to participant genders. More specifically, this study seeks to investigate the differences in sexual attitudes and thoughts among different genders that may lead to different forms of sexual risk. In order to identify these differences, societal influences such as social roles, parenting styles, and sexual education are all examined in regards to gender. Factors such as age and demographics were …
The Relationship Between Sleep, Working Memory, And Decision Making In Young And Old Adult Populations, Melissa G. Merz
The Relationship Between Sleep, Working Memory, And Decision Making In Young And Old Adult Populations, Melissa G. Merz
Honors Undergraduate Theses
Sleep is known to influence basic tasks concerning working memory, reaction time and executive functioning (Silva, Wang, Ronda, Wyatt, & Duffy, 2010; Nebes, Buysse, Halligan, Houck, & Monk, 2009). However, the amount that sleep influences these functions varies from study to study possibly due to differences in age and task design. Aim 1A of this study is to determine if sleep quality affects working memory. Aim 1B of this study is to determine if age affects sleep quality and working memory in comparison of young and old adult populations. Finally, Aim 2 of this study is to determine if there …
An Exploration Of The Feasibility Of Functional Near-Infrared Spectroscopy As A Neurofeedback Cueing System For The Mitigation Of The Vigilance Decrement, Gabriella Hancock
An Exploration Of The Feasibility Of Functional Near-Infrared Spectroscopy As A Neurofeedback Cueing System For The Mitigation Of The Vigilance Decrement, Gabriella Hancock
Electronic Theses and Dissertations
Vigilance is the capacity for observers to maintain attention over extended periods of time, and has most often been operationalized as the ability to detect rare and critical signals (Davies & Parasuraman, 1982; Parasuraman, 1979; Warm, 1984). Humans, however, have natural physical and cognitive limitations that preclude successful long-term vigilance performance and consequently, without some means of assistance, failures in operator vigilance are likely to occur. Such a decline in monitoring performance over time has been a robust finding in vigilance experiments for decades and has been called the vigilance decrement function (Davies & Parasuraman, 1982; Mackworth, 1948). One of …
Testing Of Wrist-Worn-Fitness-Tracking Devices During Cognitive Stress: A Validation Study, Nicole S. Chudy
Testing Of Wrist-Worn-Fitness-Tracking Devices During Cognitive Stress: A Validation Study, Nicole S. Chudy
Honors Undergraduate Theses
The intent of this thesis was to test if one of the many fitness-tracking devices, Microsoft’s Band 2 (MSB2), is accurate and reliable in detecting changes in Heart Rate (HR) and R-R intervals, during the repeated trial of two conditions of a working-memory test known as the N-Back. A 2 (devices: ECG, MSB2) × 4 (epochs: baseline 1, 1-back task, baseline 2, 3-back task) repeated measures factorial design was conducted. The participants were simultaneously equipped to the MSB2 and an electrocardiogram (ECG). The results of this study validated the MSB2 for the use in a cognitive task. The study suggests …
Cognitive Flexibility: Using Mental Simulation To Improve Script Adaptation, Javier Rivera
Cognitive Flexibility: Using Mental Simulation To Improve Script Adaptation, Javier Rivera
Electronic Theses and Dissertations
Human behavior and decision-making depend largely on past experiences that generate specific action patterns (i.e., scripts, Gioia & Manz, 1985) for specific situations. In an ideal world, in which changes in the environment do not conflict with these action patterns, humans would be able to operate consistently, efficiently, and automatically. However, real-world environments are dynamic and fluid, thus altering behavior and forcing changes in scripts. Research suggests that to implement alternate solutions to changing situations, humans select from a "library" of learned scripts. Since humans tend to implement scripts to the degree that these are successful over a period of …
Investigating The Influence Of The Built Environment On Energy-Saving Behaviors, Brittany Sellers
Investigating The Influence Of The Built Environment On Energy-Saving Behaviors, Brittany Sellers
Electronic Theses and Dissertations
This dissertation addresses a gap in the existing sustainability behavior research, by integrating research from the social sciences about environmental attitudes and knowledge with approaches from engineering regarding the characteristics of the built environment. Specifically, this dissertation explores the role of both environmental knowledge and design features within the built environment on building occupants' energy behaviors throughout the course of an environmental conservation campaign. Data were collected from 240 dormitory residents using a multi-phase questionnaire approach to study these factors and their combined impact within the context of environmental sustainability practices on UCF's campus. The results from a series of …