Design Of Persuasive Behavior Intervention With Low Cognitive Load For Problematic Smartphone Use

Prolonged cell phone use is a prominent problematic manifestation of problematic smartphone use behavior,which brings adverse effects and consequences to people’s physiological and psychological health and other aspects.Current research and practice in dealing with problematic smartphone use behaviors mostly use intrusive interactions for mandatory behavioral interventions,which easily cause users’ resentment and resistance and do not easily achieve long-term behavioral change effects.In order to improve the bad behaviors and habits of human-computer interaction and explore a more harmonious human-computer interaction and human-computer relationship,this study attempts to propose a more implicit,less invasive and less cognitively loaded persuasive design solution for problematic smartphone usage behaviors to address the limitations and potential effects of traditional persuasive design using invasive human-computer interaction.To achieve the above research objectives,this dissertation conducted two main parts of design and research work.The first stage is the analysis of persuasion strategies and the study of persuasion effects for problematic smartphone use behaviors:based on the PSD theory and persuasion strategies,28 alternative persuasion scenarios and four low cognitive load interaction scenarios were designed,and the evaluation of these scenarios by 44 users was studied through a self-report questionnaire.Based on the two-by-two comparison results and PSD theory analysis,two persuasion strategies,simulated simulation and social comparison,which belonged to the categories of primary task support and social support,respectively,and two low cognitive load interactions,subthreshold and embodied,were finally selected.The second stage was a low cognitive load persuasion design study.Based on the first phase of the study,a 2 X 2 two-factor experimental log method was used to investigate the role of two factors,persuasion strategy and low cognitive load interaction approach,for a total of four low cognitive load interaction persuasion schemes in problematic smartphone use behavior persuasion.The persuasion scheme was presented through an application developed on the Android-based mobile platform,and data on the cell phone use behavior of 24 users for the last week and the last day were collected as a baseline before the experiment.24 users were randomly divided into four groups and received one of the four persuasion methods.The duration of the experiment was 1 day,and the users self-reported their evaluation of persuasion effectiveness in terms of effectiveness and disturbance after the experiment.The results showed that:1)Compared with baseline,all four persuasion options were effective with a significant difference(p<.01)in the duration of use during the experiment(M=5.12,SD=2.78)compared to the average daily duration of use in the most recent week(M=7.16,SD=3.46),and the frequency of use during the experiment(M=533.50,SD=751.63)compared to the most recent day There was a significant difference(p<.01)in the frequency of use(M=933.83,SD-722.71)compared to the most recent day.There was a significant difference in time of use during the experiment in terms of interaction mode(p<0.01)and frequency of use during the experiment in terms of interaction mode(p<.05),but time and frequency of use during the experiment did not differ significantly between persuasion strategies;2)interaction mode as a main effect influenced smartphone use behavior;3)subjective self-reported results showed that users perceived the persuasion scheme was more effective(M=2.06,SD=4.43)than intrusive(M=1.48,SD=3.79).The results suggest that persuasion programs with low cognitive load can be effective in improving problematic smartphone use behaviors with lower intrusiveness and cognitive load,which can better achieve the target behavior of persuasion and provide support for long-term behavioral interventions and persuasion.This study explores new research directions for developing more effective persuasive behavioral intervention designs and low cognitive load human-computer interaction studies,and also has important value and significance for the practical application of such low cognitive load persuasive behavioral intervention designs.The shortcomings of this study are that the sample size and experimental period are not sufficient to conduct long-term experimental studies,and future research could validate the role of low cognitive load interactions in problematic smartphone use behavior interventions by measuring longer persuasion times.