心理学最新文献

Objective: This study investigated the effects of nondriving-related task (NDRT) touchscreen location and NDRT difficulty level on the driver task performance, eye gaze behavior, and workload during SAE Level 3 conditionally automated driving. Two driver tasks were considered: a visuomanual NDRT and a take-over task.

Background: Touchscreens are expected to play important roles inside automated vehicles. However, few studies have investigated the driver-touchscreen interaction during automated driving.

Method: A driving simulator experiment was conducted. The experimental task consisted of two successive subtasks: an NDRT followed by a take-over task. NDRT touchscreen location (Upper Left, Upper Right, and Lower Right) and NDRT difficulty level (Easy and Hard) were the independent variables. A set of driver task performance, eye gaze behavior, and perceived workload measures were employed for each subtask as the dependent variables.

Results: NDRT touchscreen location significantly affected both the NDRT and the take-over task performance. Lower Right was superior to Upper Right in the NDRT performance but was inferior in the take-over task performance. NDRT touchscreen location affected the perceived physical workload of the NDRT. NDRT difficulty level affected the perceived workload of the take-over task.

Conclusion: The research findings enhance our understanding of how NDRT touchscreen location and NDRT difficulty level impact the driver task performance during conditionally automated driving, and, further provide useful design implications and knowledge.

Application: The study results would inform the NDRT touchscreen interface design and the NDRT design for conditionally automated vehicles.

Missing data are pervasive in risk assessment but their impact on predictive accuracy has largely been unexplored. Common techniques for handling missing risk data include summing available items or proration; however, multiple imputation is a more defensible approach that has not been methodically tested against these simpler techniques. We compared the validity of these three missing data techniques across six conditions using STABLE-2007 (N = 4,286) and SARA-V2 (N = 455) assessments from men on community supervision in Canada. Condition 1 was the observed data (low missingness), and Conditions 2 to 6 were generated missing data conditions, whereby 1% to 50% of items per case were randomly deleted in 10% increments. Relative predictive accuracy was unaffected by missing data, and simpler techniques performed just as well as multiple imputation, but summed totals underestimated absolute risk. The current study therefore provides empirical justification for using proration when data are missing within a sample.

Objective: The study aimed to examine the relationship between compassion fatigue and moral sensitivity of intensive care nurses. Method: Permission was obtained from the ethics committee, institution, and nurses prior to the study. The population of the study consisted of all nurses working in a university hospital, and the sample consisted of 144 intensive care nurses who agreed to participate in the study. The data were collected through the Questionnaire, the Compassion Fatigue Scale, and the Moral Sensitivity Scale. The total score of the compassion fatigue scale ranges between 24 and 120, and a high score indicates a "high level of compassion". The total score of the moral sensitivity scale, on the other hand, varies between 30-210, and as the score increases, moral sensitivity decreases. The obtained data were evaluated with Student t, One-Way Anova, Kruskal Wallis, Mann Whitney U, and correlation analysis. Results: It was found that 55.6% of the nurses had a bachelor's degree, 44.4% had been working in the intensive care unit for 4-6 years, 39.6% had professional ethical dilemmas, and 44.6% of those who had ethical dilemmas could not solve this problem. Compassion fatigue and moral sensitivity scale mean scores were found to be 83.3 ± 6.7 and 125.4 ± 7.2, respectively, and there was a positive correlation between compassion fatigue and moral sensitivity mean scores (p < 0.05). Conclusion: The mean score of the compassion fatigue and moral sensitivity scale of intensive care nurses was at a "moderate" level, and there was a positive correlation between the nurses' moral sensitivity scale and compassion fatigue scale scores. In line with these results, it can be suggested that the compassion fatigue and moral sensitivities of nurses especially those working in intensive care be evaluated in terms of resolving the ethical dilemmas they may experience in patient care, and these nurses be supported on these matters.

Death awareness and near-death experiences initiate shifts in awareness, priorities, and relationships. This narrative inquiry explored the stories of four individuals who had near-death experiences. Participants shared their experiences before and after the experiences. Findings include considerations of how mortality awareness connects with life experiences. Resonant threads across narratives included Interactions with Death, Life after Death, and Meaning in Life after Death. Specifically, findings explore near-death experiences, how life was changed following interactions with death, and the meaning-making process through death awareness. Findings and discussion explore the impact of death awareness as well as considerations for those in death and trauma-related fields.

Objective: The primary purpose was to determine how trust changes over time when automation reliability increases or decreases. A secondary purpose was to determine how task-specific self-confidence is associated with trust and reliability level.

Background: Both overtrust and undertrust can be detrimental to system performance; therefore, the temporal dynamics of trust with changing reliability level need to be explored.

Method: Two experiments used a dominant-color identification task, where automation provided a recommendation to users, with the reliability of the recommendation changing over 300 trials. In Experiment 1, two groups of participants interacted with the system: one group started with a 50% reliable system which increased to 100%, while the other used a system that decreased from 100% to 50%. Experiment 2 included a group where automation reliability increased from 70% to 100%.

Results: Trust was initially high in the decreasing group and then declined as reliability level decreased; however, trust also declined in the 50% increasing reliability group. Furthermore, when user self-confidence increased, automation reliability had a greater influence on trust. In Experiment 2, the 70% increasing reliability group showed increased trust in the system.

Conclusion: Trust does not always track the reliability of automated systems; in particular, it is difficult for trust to recover once the user has interacted with a low reliability system.

Applications: This study provides initial evidence into the dynamics of trust for automation that gets better over time suggesting that users should only start interacting with automation when it is sufficiently reliable.

The PTSD Checklist for DSM-5 (PCL-5) and the Clinician-Administered PTSD Scale for DSM-5 (CAPS-5) are two of the most widely used and well-validated PTSD measures providing total and subscale scores that correspond with DSM-5 PTSD symptoms. However, there is little information about the utility of subscale scores above and beyond the total score for either measure. The current study compared the proposed DSM-5 four-factor model to a bifactor model across both measures using a sample of veterans (N = 1,240) presenting to a Veterans Affairs (VA) PTSD specialty clinic. The correlated factors and bifactor models for both measures evidenced marginal-to-acceptable fit and were retained for further evaluation. Bifactor specific indices suggested that both measures exhibited a strong general factor but weak lower-order factors. Structural regressions revealed that most of the lower-order factors provided little utility in predicting relevant outcomes. Although additional research is needed to make definitive statements about the utility of PCL-5 and CAPS-5 subscales, study findings point to numerous weaknesses. As such, caution should be exercised when using or interpreting subscale scores in future research.

This systematic review and meta-analysis aimed to evaluate the spiritual health status of Iranian patients with cardiovascular diseases. A literature search was conducted in national (MagIran and Scientific Information Database) and international (Scopus, PubMed, and Web of Science/ISI) databases from inception to December 2021. A random-effects model was used to estimate the pooled score of spiritual health. Based on the eligibility criteria, 22 articles were selected for the final analysis. The pooled score of spiritual health in Iranian patients with cardiovascular diseases was 61% (95% confidence interval: 54%-68%). In subgroup analysis, the pooled score in patients with heart failure was higher than other patients (67% vs. 58%). Publication bias was not significant (p = 0.554). Results indicated that the spiritual health of Iranian patients with cardiovascular diseases was moderate. Therefore, it is recommended that proper training be provided to these patients to enhance their adaptation to the complications of cardiovascular diseases.

Technology-facilitated sexual violence (TFSV) includes different forms of digital violence, such as online gender-based violence, online gender- and sexuality-based violence, digital sexual harassment, online sexual coercion, and nonconsensual pornography. The aim of this study was to design and validate a measure to assess the perpetration and victimization of each dimension of TFSV. The relationships between the different dimensions and differences by gender and sexual orientation were also analyzed. The participants were a sample of 2,486 adults (69% women) from Spain, aged between 16 and 79 (M = 25.95; DT = 9.809) years. The Technology-Facilitated Sexual Violence Scales were found to be valid and reliable instruments, supporting our recommendation for the use of these scales. Network analysis and solution-based exploratory factor analyses showed that the dimensions of online sexual coercion and nonconsensual pornography clustered together. All the perpetration variables were related to sexism. Finally, cis women and nonheterosexual people reported higher victimization scores overall compared to cis men and heterosexuals, respectively, while cis men reported higher perpetration scores overall than cis women.

Objective: With the rapid improvements in drone technology, there is an increasing interest in distal pointing to diffuse drones. This study investigated the effect of depth on distal pointing when the hand does not traverse the entire distance from start to target so that the most suitable mathematical model can be assessed.

Background: Starting from the Fitts paradigm, researchers have proposed different models to predict movement time when the distance to the target is variable. They do consider distance, but they are based on statistical modeling rather than the underlying control mechanisms.

Methods: Twenty-four participants volunteered for an experiment in a full-factorial Fitts' paradigm task (3 levels of movement amplitude *7 levels of target width *3 levels of distance from participant to screen). Movement time and the number of errors were the dependent variables.

Results: Depth has a significant effect when the target width is small, but depth has no effect when the target width is large. The angular version of the two-part model is superior to the one-part Fitts' model at larger distances. Besides, Index of difficulty for distal pointing, ${ID}_{\text{DP}}$ with adjustable k achieves the best fit even though the model is very sensitive to the value of k and the complexity of the model could be resulting in an overfitting. The result implies that the effects of movement amplitude and target width are not comparable and grouping them to form a dependent index of difficulty can be misleading especially when distance is an added variable.

Conclusion: The angular version of the two-part model is a viable and meaningful description for distal pointing. Even though the ${ID}_{\text{DP}}$ with adjustable k is the best predictor for movement time when depth is an added variable, there is no physical interpretation for it.

Application: A reasonable predictive model for performance assessments and predictions in distal pointing.

Objective: This study investigated the effects of different approach directions, movement speeds, and trajectories of a co-robot's end-effector on workers' mental stress during handover tasks.

Background: Human-robot collaboration (HRC) is gaining attention in industry and academia. Understanding robot-related factors causing mental stress is crucial for designing collaborative tasks that minimize workers' stress.

Methods: Mental stress in HRC tasks was measured subjectively through self-reports and objectively through galvanic skin response (GSR) and electromyography (EMG). Robot-related factors including approach direction, movement speed, and trajectory were analyzed.

Results: Movement speed and approach direction had significant effects on subjective ratings, EMG, and GSR. High-speed and approaching from one side consistently resulted in higher fear, lower comfort, and predictability, as well as increased EMG and GSR signals, indicating higher mental stress. Movement trajectory affected GSR, with the sudden stop condition eliciting a stronger response compared to the constrained trajectory. Interaction effects between speed and approach direction were observed for "surprise" and "predictability" subjective ratings. At high speed, approach direction did not significantly differ, but at low speeds, approaching from the side was found to be more surprising and unpredictable compared to approaching from the front.

Conclusion: The mental stress of workers during HRC is lower when the robot's end effector (1) approaches a worker within the worker's field of view, (2) approaches at a lower speed, or (3) follows a constrained trajectory.

Application: The outcome of this study can serve as a guide to design HRC tasks with a low level of workers' mental stress.