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  1. Rezapour M, Ferraro FR
    Front Psychol, 2021;12:619308.
    PMID: 34220605 DOI: 10.3389/fpsyg.2021.619308
    Various psychological feelings that commuters might experience due to the shortcomings of a public transport are a major concern for transport policy makers. Those shortcomings would be translated into various negative psychological feelings, which would consequently tarnish the perceived quality of the public transport system in terms of its characteristics, e.g., the perceived quality of the passengers' information system (PIS). A delay has often been defined as the difference between the real arrival of a transport and the scheduled arrival of based on the PIS. The main question this study seeks to answer is how passengers view the PIS while undergoing various psychological negative impacts due to delay? This is especially important when the PIS is not precise. Previous studies on the importance of real-time information mainly focus on the impact of PIS on the satisfaction of commuters, or the reliability of the public transport. However, they rarely consider the negative psychological impacts that delays might have on commuters, and how those negative feelings might be aggravated by providing inaccurate information for the commuters. The proposed study is based on completed questionnaires by 396 passengers waiting for a rail transport in Malaysia; the rail transport was experiencing frequent long delays due to various mechanical malfunctions. In addition, the PIS provided for the passengers were mainly imprecise, and was updated regularly. The relationship between various considered variables, and a related latent factor, were formed by means of factor analysis. The results of internal consistency and validity highlight acceptable factors to be considered for a structural equation modeling (SEM) model. Three latent factors were found to impact the latent factor of PIS. For instance, it was found that the relationship between motion sickness factor and the response of PIS is not by a direct relationship between those two factors, but through the mediation of a latent physiological factor. On the other hand, the impact of the psychological feelings of the commuter by PIS is higher than its physiological effects. The results of this study have an important managerial implication for policy makers that even if the delay is inevitable, an accurate PIS could be provided to reduce the associated negative feelings of delay. Extensive discussion has been had about identification of a best fit model and process of model's parameters' estimation.
  2. Sharif Nia H, Rezapour M, Allen KA, Pahlevan Sharif S, Jafari A, Torkmandi H, et al.
    Asian Pac J Cancer Prev, 2019 09 01;20(9):2803-2809.
    PMID: 31554380 DOI: 10.31557/APJCP.2019.20.9.2803
    Objectives: The Center for Epidemiologic Studies Depression Scale (CES-D) was specifically created to assess
    depression in cancer patients. However, to date, the CES-D has not been validated in Farsi. Therefore, this study aimed to
    assess the psychometric properties of the CES-D in Iranian cancer patients. Methods: During a three-month period
    (October to December, 2015), a total of 380 cancer patients completed a Farsi version of the CES-D. The construct
    validity of the scale was evaluated by exploratory factor analysis. Reliability was assessed using Cronbach’s alpha
    and McDonald Omega. All of the statistical procedure were run by SPSS 22 (SPSS Inc., Chicago, IL, USA). Results:
    The construct validity of the CES-D determined three factors (somatic affect, negative affect, and positive affect),
    which explained 65.60% of the total variance. The internal consistency was greater than 0.70. Conclusion: Findings
    revealed that the Farsi version of the CES-D has acceptable validity and reliability, which can be used to measure
    depression in Iranian cancer patients.
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