Evaluating the psychometric properties of the Swedish version of the Impostor Profile scale (IPP30)
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PROVIDER: S-EPMC10995337 | biostudies-literature | 2024 Jan
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Project description:PurposeThe study aim was to translate and validate the Glaucoma Symptom Scale (GSS) in Serbian language.MethodsClinical parameters and socio-demographic data were collected for each of the 177 enrolled glaucoma patients. Each eye was classified according to the Glaucoma staging system by Mills into 6 stages. Patients filled out the GSS and National Eye Institute Visual Function Questionnaire (NEI-VFQ 25). The GSS comprises 10 complaints common for glaucoma patients on a topical treatment, grouped into two subscales: SYMP-6 (non-visual) and FUNC-4 (visual problems). The GSS was translated following the customary methodology and its psychometric properties were assessed by using both Classical Test Theory (CTT) and Rasch analysis.ResultsThe internal consistency of the Serbian GSS for the whole scale was very good (Cronbach's alpha = 0.81). On factor analysis items were clustered into 2 factors (48.92% of variance) which corresponded to the original scale. The total and subscale GSS scores correlated significantly with measures of disease severity and also with total score and analogous NEI-VFQ 25 subscale scores. In Rasch analysis we obtained adequate item reliability index (0.90). Almost all items had infit and outfit mean squares in the accepted range. However, measurement precision was poor (low person separation reliability) and targeting revealed a ceiling effect.ConclusionWhen analyzed with CTT the Serbian version of the GSS seems to be a valid instrument, but Rasch analysis revealed some serious measurement flaws, therefore it should not be used in its current format. Further studies to modify and improve GSS are needed prior to its application for Serbian glaucoma patients.
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Project description:AimThe aim of the present study was to translate the Postpartum Partner Support Scale (PPSS) into Persian and evaluate its psychometric properties among postpartum women.DesignA total of 248 women aged 18-39 years participated in this psychometric study. The PPSS was translated into Persian using a forward-backward method. Confirmatory factor analysis (CFA) and Rasch model analysis were used to assess the psychometric properties of the PPSS. In addition, the Edinburgh Postpartum Depression Scale (EPDS) was completed simultaneously to assess the construct validity. Internal consistency of the questionnaire was assessed by calculating the Cronbach's alpha coefficient and corrected item-total correlation.ResultsThe unidimensionality of the PPSS was supported in both CFA and Rasch analysis. The PPSS had a significant negative association with EPDS (r = -0.39 p < .001). The scale had excellent internal consistency (Cronbach's alpha = 0.94) and the correlation between items and total score was satisfactory.ConclusionThe Persian version of PPSS with 20 items is a valid and reliable scale to assess postpartum support.
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Project description:Contemplation of mortality often helps people to become more mindful of their living, cherishing relationships, experiences and opportunities. Therefore, the present study aims to evaluate the validity of the Death Reflection Scale within the Indians. A non-clinical sample of 381 participants age ranges from 19 to 90 years participated in this study. The Death Reflection Scale is a widely recognized tool to gauge positive aspects on reflecting about mortality. The scale's validity and reliability throughout the German population was demonstrated to be appropriate and relevant. Given the shared cultural similarities among diverse Eastern ethnicities, this validation offers the potential for application across various countries. However, it is crucial to research its validity and reliability using confirmatory factor analysis (CFA) in the Indian population. The validity of the scale was confirmed using Confirmatory Factor Analysis (CFA), yielding a CFI of 0.951. The Goodness Fit Index of 0.929 and RMSEA of 0.07 indicating a reasonably good fit. The scale's discriminant, convergent, and factorial validity were all proven by the results, which also showed its reliability (α =0.92). These results imply that the Death Reflection Scale's Indian validation satisfies the fundamental requirements for psychological evaluations, proving its appropriateness for use in scholarly research.•Quantitative method used in validating the questionnaire.•Cultural validation has been done to ensure cultural relevance and appropriateness.•Reliability and consistency have been established.
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Project description:BackgroundHealth assessment among individuals with mental health problems often involves measures of ill-being (e.g., anxiety, depression). Health is, however, defined as a state of physical, mental and social well-being and not merely the absence of disease (WHO, 1948, 2001). Hence, in order to address mental illness during the 21st century, we need to develop methods for the prevention, identification and treatment of mental illness; but also, for the promotion, identification, and maintenance of well-being. In this context, over three decades of subjective well-being research have resulted in the development of measures of positive aspects of human life, such as the Satisfaction with Life Scale (Diener et al., 1985). Our aim was to investigate the psychometric properties of the Satisfaction with Life Scale in a Swedish population of individuals with mental illness using both Classical Test Theory (CTT) and Item Response Theory (IRT).MethodA total of 264 participants (age mean = 43.46, SD = 13.31) diagnosed with different types of mental illness answered to the Swedish version of the Satisfaction with Life Scale (five items, 7-point scale: 1 = strongly disagree, 7 = strongly agree).ResultsWe found positive and significant relationships between the five items of the scale (r ranging from 0.37 to 0.75), good reliability (Cronbach's alpha = 0.86), and that the one-factor solution had best goodness of fit (loadings between 0.52-0.88, p < 0.001). Additionally, there were no significant differences in comparative fit indexes regarding gender and occupation status. All items had high discrimination values (between 1.95-3.81), but item 5 ("If I could live my life over, I would change almost nothing"); which had a moderate discrimination value (1.17) and the highest estimated difficulty on response 7 (3.06). Moreover, item 2 ("The conditions of my life are excellent") had less discrimination and redundant difficulty with both item 1 ("In most ways my life is close to my ideal"; 2.03) on response 7 and with item 3 ("I am satisfied with my life"; -1.21) on response 1. The five items together provided good information, with especial good reliability and small standard error within -1.00 up to about 2.00 and the highest amount of test information at 0.00 of the level of life satisfaction within this population.ConclusionsConsistent with previous research, the scale had good reliability and provided good information across most of the latent trait range. In addition, within this population, sociodemographic factors such as gender and occupation status do not influence how individuals respond to the items in the scale. However, the items couldn't measure extreme levels of low/high life satisfaction. We suggest replication of these findings, the test of additional items, and the modification of items 2 and 5 in order to use the scale among individuals with mental illness.
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Project description:The Existence Scale (ES) is a theory-based measure assessing personal fulfillment and finding meaning in life. This study aims to translate the ES into Arabic language and test its psychometric properties in Jordan populations. A methodological design was performed on a convenience sample of 551 participants by three samples of nurses, schoolteachers, and undergraduate students. Data collection was carried out between February and May 2019. Translation and back translation, face validity (Important Score>1.5), content validity ratio (CVR>0.62) and index (CVI/Ave>0.80), construct, convergent, and discriminant validity were obtained. Furthermore, Cronbach's alpha, composite reliability, and average variance extracted were investigated in this study. The results showed that five items were deleted based on content validity ratio and four items were deleted based on their low factor loading. The exploratory factor analysis showed four subscales for the translated ES (37 items), explaining 61.57% of the variance collectively. The confirmatory factor analysis supported the four subscales with acceptable goodness of fit indices. The result of the total Cronbach's alpha for the ES was 0.93, and for subscales it ranged from 0.88 to 0.93. Composite reliability and average variance extracted results for the translated ES were supportive of the reliability. These results confirm that the translated Arabic version of the ES (37 items) in Jordan populations is acceptable regarding validity and reliability.
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Project description:Despite the presence of numerous generic time management instruments, relatively few research articles have assessed the validity and reliability of time management skills specific for the nursing profession. This study aimed at developing and validating a time management scale for nurses.Method A self-administered questionnaire was administered to 715 nurses working in hospitals and clinics in the northern region of the West Bank, Palestine. The scale was examined through exploratory factor analysis, reliability measures, and correlations with other scales.Results The scale revealed a 3-factor structure 1) organization of nursing work 2) planning and goal setting and 3) coordination of nursing work. The scale demonstrated excellent psychometric properties.Conclusions The Nursing Time Management Scale (NTMS) is a valid and reliable measure that can be used in assessing time management skills of nurses and in evaluating interventions and training modules aiming at developing nurses' time management skills.
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Project description:BACKGROUND:The 30-Item Endometriosis Health Profile (EHP-30) is a specific instrument measuring quality of life among women with endometriosis. Although the Swedish version of EHP-30 is widely used in research and clinical settings, it has not yet been evaluated psychometrically. Ensuring validity and reliability is of most importance when using translated instruments. Therefore, the aim of the study was to evaluate the psychometric properties of the Swedish version of the EHP-30. METHODS:This study was conducted at a Swedish referral university hospital specializing in endometriosis. Data collection was performed in January 2013. The EHP-30 was sent to 369 randomly selected women with a laparoscopy-verified endometriosis diagnosis. The psychometric evaluation included evaluation of data completeness, score distributions, floor and ceiling effects, internal consistency, factor analysis and test-retest reliability. RESULTS:Out of the 211 women with endometriosis who answered the questionnaire, 128 were native Swedish speakers who had experienced symptoms of endometriosis during the past 4 weeks, and were included in the psychometric evaluation. Data completeness was 99.5%. The highest median score was found in the Control and Powerlessness subscale, and lowest in Pain. Distributions towards ill health were found in all subscales except for the pain subscale, but there were no noteworthy floor or ceiling effects. Internal consistency was good (Cronbach's ? 0.83-0.96). Factor analysis could roughly confirm three of the five subscales. The test-rest analysis showed good reliability. Scores were systematically lower during the second measurement. CONCLUSIONS:We conclude that the Swedish version of EHP-30 is a valid and reliable instrument to measure health-related quality of life in women with endometriosis. It is understandable, acceptable and usable and can be recommended for use in clinical daily routines and for research purposes.
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Project description:This study aimed to assess the factor structure and validity of the Composite Scale of Morningness (CSM) in Japanese samples. A sample of 348 Japanese university students (196 men, 152 women) and 170 adults from the community (50 men, 120 women) completed a questionnaire including the CSM, the Diurnal Type Scale (DTS) and questions regarding sleeping and waking times. Four measurement models were compared, and a two-factor measurement model with Morningness/Time of day preference (α = 0.78) and Morning Affect/Alertness (α = 0.80) factors yielded the closest fit. Both Morningness/Time of day preference and Morning Affect/Alertness were positively correlated with DTS score. Morningness/Ttime of day preference was negatively correlated with the midpoint of sleep on weekdays and free days. The measurement model was invariant across the university and community groups. The community group, which was older, was characterized by greater morningness. The results provide evidence of the validity of the Japanese CSM, thus opening up the possibility of including Japanese samples in cross-cultural research on morningness.
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Project description:BACKGROUND:The purpose of the present study was to determine psychometric properties of the Persian version of Postpartum Distress Measure Scale (PDM Scale). METHODS:In this psychometric explorative study, the data were collected using a questionnaire containing demographic information, PDM Scale, and Depression and Anxiety Stress Scale-21 (DASS-21). The content, face and construct validity of the questionnaire was examined with participation of ten experts, 10 and 150 women referring to health care centers, who were under common care during their postpartum period, respectively. The concurrent validity of the tool was evaluated using DASS-21. The reliability of the items was evaluated with the participation of 30 women, calculating Cronbach's alpha coefficient and intra-class correlation coefficient. RESULTS:The Content Validity Index, Content Validity Ratio and Impact Score of the Persian version of the PDM were 0.94, 0.73, and 2.97, respectively. The ten items of the questionnaire were loaded in two factors (general distress and obsessive compulsive symptoms subscale). Those two factors explained 50.78% of the total variance of women's distress. Internal consistency of the items and stability of the results were confirmed by Cronbach's alpha of 0.72 and Intra-class correlation coefficient of 0.75. CONCLUSION:According to the study results, the Persian version of PDM Scale has acceptable psychometric properties. Care providers and researchers can use it as a tool for screening anxiety, depression and obsessive-compulsive disorder in women.
| S-EPMC7045463 | biostudies-literature
Project description:BACKGROUND:Occupational stress and specifically job anxiety are crucial factors in determining health outcomes, job satisfaction as well as performance. In order to assess this phenomenon, the Job Anxiety Scale is one of the instruments available. It consists of 70 items that are clustered in 14 subscales and five dimensions. The aim of this paper is to create a more efficient, short version of the Job Anxiety Scale, while retaining the five dimensions, and to assess its psychometric properties. METHODS:The sample consists of 991 - mostly psychosomatic - patients from two different clinics. We applied methods of factor analysis and bivariate correlations to explore and test factor structure and the nomological net of related constructs. RESULTS:After reducing the item pool via the construction of subsets and tests using ant-colony-optimization, a 15-item version of the Job Anxiety Scale evinced very good psychometric properties. We found very good model fit, high internal consistency, and invariance across participant age and sex. It displayed improved discriminant validity compared to the original scale, and we found the expected pattern of convergent correlations. CONCLUSIONS:With this short version of the Job Anxiety Scale, researchers can assess job related worries in a much more economic manner. The questionnaire is particularly useful in large-scale surveys and/or in samples that struggle with extensive assessments.
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