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Articles 1 - 7 of 7
Full-Text Articles in Experimental Analysis of Behavior
Examining The Effect Of Interruptions At Different Breakpoints And Frequencies Within A Task, Sarah Anastazia Powers
Examining The Effect Of Interruptions At Different Breakpoints And Frequencies Within A Task, Sarah Anastazia Powers
Psychology Theses & Dissertations
Research on the effects of interruptions shows that they can be either costly or beneficial depending on which aspects of an interruption are manipulated. One important aspect that contributes to these conflicting results concerns when an interruption occurs. The present study explored how event segmentation theory (EST) can be used to determine optimal moments for an interruption relying on hierarchical task analysis (HTA) to identify coarse and fine event boundaries. Utilizing a 2 X 3 mixed design, undergraduate students completed a trip planning task divided into three task trials. The within-subjects factor was interruption timing, which had three levels: none, …
The Effect Of Task Interruptions And Reliable Cues On Detection Changes Within Dynamic Scenes, Kimberly N. Perry
The Effect Of Task Interruptions And Reliable Cues On Detection Changes Within Dynamic Scenes, Kimberly N. Perry
Psychology Theses & Dissertations
Interruptions are a common problem for attention and pose a threat to visual task performance. The Memory for Goals (MFG) theory suggests that strongly and accurately encoded cues can assist the ability to resume a primary task after an interruption (Altmann & Trafton, 2002). Encoded cues can undergo an activation decay during an interruption and become forgotten. Currently, there has been limited research on how visual interruptions affect cued recall within a dynamic environment. Thus, the goal of the present study was to examine the effect of cuing and task interruptions on change detection within dynamic scenes. Undergraduate students watched …
Characterizing The Familiar-Voice Benefit To Intelligibility, Beatriz Ysabel Domingo
Characterizing The Familiar-Voice Benefit To Intelligibility, Beatriz Ysabel Domingo
Electronic Thesis and Dissertation Repository
Everyday listening often occurs in the presence of background noise. Listeners with normal hearing can often successfully segregate competing sounds from the signal of interest. To do this, listeners exploit a variety of cues to facilitate the separation of simultaneous sounds into separate sources, and group sequential sounds into intelligible speech streams. One of the cues that has been shown to be an effective facilitator of speech intelligibility is familiarity with a talker’s voice. A recent study by Johnsrude et al. (2013) measured speech intelligibility of a naturally familiar voice (i.e., that of a long-term spouse) and showed a …
The Effects Of Automation Transparency And Reliability On Task Shedding And Operator Trust, William Everett Lehman
The Effects Of Automation Transparency And Reliability On Task Shedding And Operator Trust, William Everett Lehman
Psychology Theses & Dissertations
Because automation use is common in many domains, understanding how to design it to optimize human-automation system performance is vital. Well-calibrated trust ensures good performance when using imperfect automation. Two factors that may jointly affect trust calibration are automation transparency and perceived reliability. Transparency information that explains automated processes and analyses to the operator may help the operator choose appropriate times to shed task control to automation. Because operator trust is positively correlated with automation use, behaviors such as task shedding to automation can indicate the presence of trust. This study used a 2 (reliability; between) × 3 (transparency; within) …
Identifying The Strengths And Weaknesses Of Over-The-Shoulder Attack Resistant Prototypical Graphical Authentication Schemes, Ashley Allison Cain
Identifying The Strengths And Weaknesses Of Over-The-Shoulder Attack Resistant Prototypical Graphical Authentication Schemes, Ashley Allison Cain
Psychology Theses & Dissertations
Authentication verifies users’ identities to protect against costly attacks. Graphical authentication schemes utilize pictures as passcodes rather than strings of characters. Pictures have been found to be more memorable than the strings of characters used in alphanumeric passwords. However, graphical passcodes have been criticized for being susceptible to Over-the-Shoulder Attacks (OSA). To overcome this concern, many graphical schemes have been designed to be resistant to OSA. Security to this type of attack is accomplished by grouping targets among distractors, translating the selection of targets elsewhere, disguising targets, and using gaze-based input.
Prototypical examples of graphical schemes that use these strategies …
Painting Intimacy: Art-Based Research Of Intimacy, Michal Lev
Painting Intimacy: Art-Based Research Of Intimacy, Michal Lev
Expressive Therapies Dissertations
This art-based research explores whether — and, if so, how — the process of painting, together with witnessing and reflection on the process and imagery, further an understanding of intimacy. The research also examines the conditions that favor intimacy, the obstacles to intimacy, and the particular features of artistic media, processes and reflection, through the editing of video footage, that can further the intimate experience. The participants in the study were five adults (including the researcher) between the ages of thirty and eighty who were familiar with the creation of visual art. Among them were three women and two men …
Circadian Variations And Risky Decision Making, Sana Sra
Circadian Variations And Risky Decision Making, Sana Sra
Scripps Senior Theses
Over the past decades, decision making under risk has garnered a great amount of attention both in the field of economics and psychology. Although state-dependent variabilities of risk taking are well-documented, little is known about the effects of a person’s preferred time of day, or chronotype, in risky decision making. Under circumstances of circadian mismatch (e.g., when an “early bird” makes decisions in the evening), research suggests that decision making may reflect a greater reliance on heuristics, such as using stereotypes in social judgments. However, the effects of circadian mismatch on heuristics in risky decision making are relatively unexplored. This …