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STUDY DESIGN AND CONTEXT FACTORS FOR GRAPHICAL EFFECTS: THE IMPACT OF A WITHIN-SUBJECTS FORMAT AND COVID-19 CONTEXT ON THE FOREGROUND-ONLY EFFECT

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abstract
Visual aids are frequently used to promote informed decision making under risk, especially in regard to low probability risk information (Okan et al., 2020). Previous research has demonstrated that the type of graphical format can affect the perception of risk magnitude and likelihood of risk averse behavior (e.g., Stone et al., 2017). However, the research demonstrating these findings has focused on everyday circumstances (e.g., toothpaste products to prevent gum disease) and established scenarios (e.g., vaccines to prevent well-established illness). The pandemic’s heightened levels of anxiety/worry, its emerging and ever-changing state, and its politicization may impact the usual processes by which people use graphs to make decisions. One situation where the pandemic’s unique context may impact behavior is in the foreground-only effect. The foreground-only effect is an effect in which risk perception and aversion are increased when viewing one graph type (e.g., foreground-only graphs) compared to another (e.g., numerical-only graphs), while simultaneously decreasing performance in other goals, such as risk understanding. Furthermore, these effects have only been investigated in between-subjects study designs, despite the power advantage of a within-subjects design. Thus, this study has two aims: to evaluate a) how the foreground-only effect applies to pervasive, current issues like COVID-19, and b) how a within-subject design impacts the magnitude of display effects. Evaluating the transferability of current knowledge on the foreground-only effect to the COVID-19 pandemic and within-subjects designs will help better effective risk communication in real world scenarios as well as expand existing options for designing relevant studies.
subject
COVID-19
Display effect
Foreground-only effect
Graph design
Risk Perception
Within-subjects
contributor
Gao, Aijia (author)
Stone, Eric R (committee chair)
Fleeson, William (committee member)
Sali, Anthony W (committee member)
Levine, Beverly J (committee member)
date
2021-01-13T09:35:17Z (accessioned)
2020 (issued)
degree
Psychology (discipline)
2021-07-12 (liftdate)
embargo
2021-07-12 (terms)
identifier
http://hdl.handle.net/10339/97947 (uri)
language
en (iso)
publisher
Wake Forest University
title
STUDY DESIGN AND CONTEXT FACTORS FOR GRAPHICAL EFFECTS: THE IMPACT OF A WITHIN-SUBJECTS FORMAT AND COVID-19 CONTEXT ON THE FOREGROUND-ONLY EFFECT
type
Thesis

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