Many theoretical constructs of interest to psychologists are multidimensional and derive from the integration of several input variables. We show that input variables that are measured on ordinal scales cannot be combined to produce a stable weakly ordered output variable that allows trading off the input variables. Instead a partial order is obtained in which the amount of ordering depends on ...

The purpose of this study was to assess the relationship between psychological stresses and noise stresses on printery workers in Tehran, Iran. Hence, 267 workers were randomly selected. The Leq and Lmax were measured and the psychological stresses such as depression, anxiety, aggression and job satisfaction were also studied by the relevant questionnaires. The data were statistically analyzed ...

The association between risk factors for ischemic heart disease and plasma fibrinogen level was analyzed in a cross-sectional population study. All 51-year-old men living in a certain area within the county of Copenhagen were invited; 439 of 542 (81%) participated in the study. Data were collected via questionnaire and at health examinations. The following independent variables were analyzed: s...

BACKGROUND It is clinically important to be able to select patients suitable for treatment and to be able to predict with some certainty the outcome for patients treated for low back pain (LBP). It is not known to what degree outcome among chiropractic patients is affected by psychological factors. OBJECTIVES To investigate if some demographic, psychological, and clinical variables can predic...

BACKGROUND The goal of the present study is to analyze the prevalence of bidirectional psychological and physical aggression in intimate partner relationships using the Conflict Tactics Scale (CTS-2), and to determine the influence of the variables age and relationship duration. METHOD The participants were 3,578 heterosexual couples from the Region of Madrid. RESULTS Bidirectional aggressi...

The study was designed to investigate the effects of plyometric training and resistance training programme on selected psychological variables among college level male basketball players. Fourty five college level male basketball players were randomly selected from affiliated colleges of Bharathiar University, Coimbatore. The age ranged between 18 and 25 years. They were divided into three grou...

OBJECTIVE The aim of this study was to test a model predicting the contribution of abuse-related characteristics and mediating variables such as coping and attributional style in the development of psychological sequelae in adults reporting a history of child sexual abuse (CSA). METHODOLOGY Two hundred and eighty-five males and females from three settings (a nonpatient, psychiatric outpatient...

Recently acknowledged central constructs of psychological capital (consisting of the positive psychological resources; resilience, optimism, hope, and efficacy) has been demonstrated to be related to various employee attitude, behavioral, and performance outcomes. In this study, positive central constructs of psychological capital have been conceptually and empirically demonstrated to be relate...

The present study objective was to establish whether pretreatment social cognitive variables may contribute to the explanation of variance in adherence to continuous positive airway pressure (CPAP) treatment for patients with obstructive sleep apnoea/hypopnoea syndrome (OSAHS). A total of 119 of 180 consecutive OSAHS patients were recruited to the study prior to initial CPAP titration. Patients...

This paper analyzes the effects of environmental elements on the psychological characteristics and performance of employees in manufacturing systems using structural equation modeling. Increasing the comprehension of these effects may help optimize manufacturing systems regarding their employees' psychological characteristics and performance from a macroergonomic perspective. As the method, a n...