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Factor Analysis of the Short-Form Cohen-Mansfield Agitation Inventory (CMAI) and the Measurement Invariance by Gender.

J Nurs Meas 2021 Sep 13. Epub 2021 Sep 13.

University of Maryland School of Nursing, Baltimore, Maryland.

Background And Purpose: The Cohen-Mansfield Agitation Inventory (CMAI) is a widely used measure of agitation. The purpose of this study was to test the internal consistency, reliability, and validity of short-form CMAI in a sample of nursing home residents with cognitive impairment and examine if it is invariant across gender.

Methods: This study utilized baseline data from a randomized trial including 553 residents from 55 nursing homes. Read More

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September 2021

Reproduction number and sensitivity analysis of cassava mosaic disease spread for policy design.

Math Biosci Eng 2021 Jun;18(5):5069-5093

School of Crop Production Technology, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand.

We develop a mathematical model for the dynamics of Cassava Mosaic Disease (CMD), which is driven by both planting of infected cuttings and whitefly transmission. We use the model to analyze the dynamics of a CMD outbreak and to identify the most cost-effective policy for controlling it. The model uses the reproduction number $ \mathscr{R}_0 $ as a threshold, calculated using the Next-Generation Method. Read More

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Psychometric properties and longitudinal measurement invariance of the drug craving scale: Modification of the Polish version of the Penn Alcohol Craving Scale (PACS).

PLoS One 2021 8;16(9):e0256018. Epub 2021 Sep 8.

Institute of Education, Faculty of Philosophy, Jagiellonian University in Kraków, Kraków, Poland.

Background: The Penn Alcohol Craving Scale (PACS) is an instrument with good psychometric properties that is widely used to assess alcohol craving. Based on the assumption that the experience of craving is independent of substance type, the Polish version of the PACS was modified to measure drug craving, thus creating the Penn Drug Craving Scale (PDCS). The analyses presented in the paper aim to verify the hypothesis that the PDCS has a unidimensional structure, is highly reliable and features longitudinal measurement invariance. Read More

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September 2021

Reference Values and Psychometric Properties of the Quality of Life After Traumatic Brain Injury-Overall Scale in Italy, The Netherlands, and the United Kingdom.

Value Health 2021 Sep 13;24(9):1319-1327. Epub 2021 Aug 13.

Institute of Medical Psychology and Medical Sociology, University Medical Center Göttingen, Göttingen, Germany. Electronic address:

Objectives: The Quality of Life after Brain Injury-Overall Scale (QOLIBRI-OS) is a short screening instrument for assessing disease-specific health-related quality of life (HRQoL) after traumatic brain injury. To date, no reference values are available for the QOLIBRI-OS in general populations. Thus, this study aimed to establish reference values for the QOLIBRI-OS in general population samples from Italy, The Netherlands, and the United Kingdom. Read More

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September 2021

Orthorexia nervosa and disordered eating attitudes among Lebanese adults: Assessing psychometric proprieties of the ORTO-R in a population-based sample.

PLoS One 2021 26;16(8):e0254948. Epub 2021 Aug 26.

INSPECT-LB: National Institute of Public Health, Clinical Epidemiology and Toxicology, Beirut, Lebanon.

Background: Previous research demonstrated a relationship between ON and disordered eating symptoms (eating concern, restraint, cognitive preoccupations about body shape and weight) and disordered eating attitudes (DEA). Since screening for orthorexia nervosa is now part of clinical practice, the measurement instruments to be used must be clinically significant, reliable, valid and sensitive to our target population. The main objective of the present study was to confirm the factor structure of the Arabic version of the ORTO-R using a first sample of Lebanese adults and confirm those results on another sample. Read More

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" or ": A Paradigm for Mixed Methods Exploration of Outcome Measures Adaptation Across Language Variants.

Front Psychol 2021 9;12:695893. Epub 2021 Aug 9.

Escuela de Psicología, Universidad de Las Américas, Quito, Ecuador.

The literature on measure translation tends to hold, overtly or covertly, a questionable assumption about the possibility of exact translation and almost completely ignores issues of within language variation. Equally, psychometric methods used to assess cross-cultural validity after translation focus on large sample tests of cross-sectional measurement invariance. Such invariance is often not found and is of dubious pertinence to change/outcome measures usually used in psychotherapy research. Read More

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Psychometric Evaluation of the Chinese Recovering Quality of Life (ReQoL) Outcome Measure and Assessment of Health-Related Quality of Life During the COVID-19 Pandemic.

Front Psychol 2021 28;12:663035. Epub 2021 Jul 28.

Centre for Health Systems and Policy Research, Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, Hong Kong.

Objective: The primary objective was to translate the Recovering Quality of Life (ReQoL) measures from English to traditional Chinese and assess their psychometric properties in Hong Kong (HK) Chinese population. The secondary objective was to investigate the mental health-related quality of life (HRQoL) of this sample during the coronavirus disease 2019 (COVID-19) pandemic.

Method: Recovering Quality of Life was translated to Traditional Chinese adhering to standard guideline recommended by the official distributors. Read More

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The SIR model towards the data: One year of Covid-19 pandemic in Italy case study and plausible "real" numbers.

Eur Phys J Plus 2021 4;136(8):802. Epub 2021 Aug 4.

Department of Physics, University of Trento, via Sommarive 14, Povo (Trento), Italy.

In this work, the SIR epidemiological model is reformulated so to highlight the important , as well as to account for the , the inverse of the , and the (or ), the inverse of the . The aim is to check whether the relationships the model poses among the various observables are actually found in the data. The study case of the second through the third wave of the Covid-19 pandemic in Italy is taken. Read More

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Psychometric properties of the Somatic Symptom Scale 8 (SSS-8) in a representative sample of German adolescents.

J Psychosom Res 2021 Aug 2;149:110593. Epub 2021 Aug 2.

Zürcher Hochschule für Angewandte Wissenschaften, Zürich, Switzerland.

Objective: The psychometric properties of the Somatic Symptom Scale 8 (SSS-8) have been investigated in different studies. However, there is no study examining its psychometric properties on representative data of adolescents. The study at hand will present results from a large representative sample of German adolescents (13 to 18 years). Read More

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Perceived Similarity to Gender Groups Scale: Validation in a Sample of Italian LGB + and Heterosexual Young Adults.

Sex Res Social Policy 2021 Aug 4:1-15. Epub 2021 Aug 4.

Department of Psychology, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy.

Introduction: The present article describes two interrelated studies that examine gender typicality in young adulthood using a new dual-identity approach.

Methods: Participants were recruited online from March 2020 to February 2021 and reported their perceived similarity to own- and other-gender peers as a way to assess their gender typicality. In study 1, the authors conducted an exploratory factor analysis (EFA) and a confirmatory factor analysis (CFA) to test and validate the in a sample of Italian young adults ( = 571;  = 23. Read More

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Creation and Validation of the First French Scale for Measuring Bore-Out in the Workplace.

Front Psychol 2021 23;12:697972. Epub 2021 Jul 23.

Psychological Sciences Research Institute, Université Catholique de Louvain, Louvain-la-Neuve, Belgium.

The aim of this study was to create and validate a scale of bore-out at work: a measure for bore-out that could be used in French-speaking workplaces. Bore-out is a recently defined phenomenon, and few studies have been conducted to evaluate it- particularly in a French context. We investigated the dimensional structure of bore-out in a sample of French-speaking workers by distributing an online survey. Read More

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Global Overview of Youth Development: Comparison of the 5 Cs and Developmental Assets Across Six Countries.

Front Psychol 2021 23;12:685316. Epub 2021 Jul 23.

Department of Psychosocial Science, University of Bergen, Bergen, Norway.

Positive Youth Development (PYD) frameworks which describe young people's strengths and their relation to thriving and risk outcomes have gained significance among developmental researchers globally. As these models are being increasingly adopted, concerns remain about their generalizability outside of North America. It has been observed that the distribution and salience of assets differ for young people based on their cultural context. Read More

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Initial Validation of the Mindful Presence Scale: The Issue of the Construal Level of Scale Items.

Front Psychol 2021 21;12:626084. Epub 2021 Jul 21.

Department of Sport Economics and Management, Institute of Rural Development, Tourism and Sports Management, Faculty of Economics and Business, University of Debrecen, Debrecen, Hungary.

Our research has two main aims. It undertakes the validation of a six-item trait mindfulness scale called Mindful Presence Scale (MPS), which measures central aspects of mindfulness. For the first time in mindfulness literature, the construal level of scale items is also examined. Read More

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How relevant for you is to be a moral person? Polish validation of the Self-Importance of Moral Identity Scale.

PLoS One 2021 3;16(8):e0255386. Epub 2021 Aug 3.

Institute of Psychology, Faculty of Social Sciences, University of Silesia in Katowice, Katowice, Poland.

Objective: The Self-Importance of Moral Identity Scale (SMIS) was developed by Aquino and Reeds with the purpose of measuring how people evaluate their private (Internalization subscale) and public (Symbolization subscale) moral identity. SMIS has become commonly and broadly used in many studies. The aim of this paper is to validate the Polish version of SMIS by analyzing its structure and relation to similar measures (such as The Moral Self-Concept Scale developed by Stake and The Moral Self-Image Scale created by Jordan, Leliveld and Tenbrunsel), declared past prosocial behaviors and readiness to donate money. Read More

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Validation of the Internet Gaming Disorder Symptoms Checklist Based on the Fifth Edition of the Diagnostic and Statistical Manual of Mental Disorders in Chinese Adolescents.

Child Psychiatry Hum Dev 2021 Aug 2. Epub 2021 Aug 2.

Centre for Health Behaviours Research, Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.

This study aims to develop and validate a checklist for IGD symptoms of Chinese adolescents based on the fifth edition of the diagnostic and statistical manual of mental disorders (DISCA). We recruited 2144 secondary school students who reported that they had played Internet games in the past 12 months in two large cities of China. The 9 item of DISCA were all significantly and positively correlated and the scale reliability was satisfactory. Read More

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Factor structure and sex invariance of the temporal experience of pleasure scale (TEPS) in Chinese university students and clinical population.

BMC Psychiatry 2021 07 28;21(1):378. Epub 2021 Jul 28.

Medical Psychological Center, the Second Xiangya Hospital,Central South University, Changsha, 410011, China.

Background: A motivation dimension of the core psychiatric symptom anhedonia additional has been suggested. The Temporal Experience of Pleasure Scale (TEPS) has been reported to assess anticipatory and consummatory pleasure separately in multiple factor-structure models. This study explored the factor structure of a Chinese version of the 18-item TEPS and further explored the measurement invariance of the TEPS across sex and clinical status (non-clinical, psychiatric). Read More

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Network analysis and psychometric properties of the Brazilian version of the eHealth Literacy Scale in a dental clinic setting.

Int J Med Inform 2021 09 17;153:104532. Epub 2021 Jul 17.

Department of Forensic Dentistry and Community Health, University of São Paulo, São Paulo, Brazil.

Background: The eHealth Literacy Scale (eHEALS) has become a standard tool for the evaluation of digital health literacy.

Objectives: This study aims to examine the validity and reliability of the Brazilian version of the eHEALS in a sample of patients from a dental clinic setting.

Material And Methods: A cross-sectional survey was conducted in a dental setting. Read More

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September 2021

Cross-Cultural Adaptation and Validation of the Highly Sensitive Person Scale to the Adult Spanish Population (HSPS-S).

Psychol Res Behav Manag 2021 14;14:1041-1052. Epub 2021 Jul 14.

Department of Experimental Psychology, University of Seville, Seville, Spain.

Purpose: This article describes a cross-cultural adaptation of the Highly Sensitive Person Scale (HSPS) to the adult Spanish population, and psychometric analysis of its validation and reliability.

Methods: Convenience sampling by participant accessibility was used. The original version was adapted culturally and linguistically using the back-translation method, and a pilot study was done with 88 participants. Read More

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Novel Cell Culture Paradigm Prolongs Mouse Corneal Epithelial Cell Proliferative Activity and .

Front Cell Dev Biol 2021 30;9:675998. Epub 2021 Jun 30.

Eye Institute & Affiliated Xiamen Eye Center, School of Pharmaceutical Sciences, School of Medicine, Xiamen University, Xiamen, China.

It has been a long-standing challenge to obtain from cell cultures adequate amounts of mouse corneal epithelial cells (mCEC) to perform transplantation surgery. This limitation is attributable to the passage dependent declines in their proliferative activity. We describe here development of a novel 6C medium that contains six different modulators of different signaling pathways, which control proliferative mCEC activity. Read More

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The Italian version of the Reflective Functioning Questionnaire: Validity within a sample of adolescents and associations with psychological problems and alexithymia.

J Clin Psychol 2021 Jul 17. Epub 2021 Jul 17.

Clinic of Child and Adolescent Neuropsychiatry, San Gerardo Hospital-Monza, University of Milan-Bicocca, Monza, Italy.

Objectives: This study aims to test the psychometric proprieties of the Reflective Functioning Questionnaire (RFQ) applied to younger (13-16 years) and older (17-20 years) Italian adolescents examining (1) the factorial structure of RFQ; (2) its invariance across age and sex; (3) correlations between RFQ subscale scores, as well as the associations of the RFQ with (4) psychological problems and alexithymia dimensions.

Methods: A cross-sectional study was conducted with 593 adolescents between the ages of 13 and 20 years old recruited from the community within Italy. These participants completed the RFQ, Symptom Checklist-90, and Toronto Alexithymia Scale. Read More

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Psychometric validation of the Protective Drinking Practices Scale in college students across the United States.

Exp Clin Psychopharmacol 2021 Jun;29(3):251-260

School of Psychology, The University of Southern Mississippi.

The present study tested the psychometric properties of a new 20-item alcohol protective behavioral strategies (PBS) measure, the Protective Drinking Practices Scale (PDPS). Specifically, we evaluated measurement invariance of the PDPS in a sample of college students recruited nationally, tested the factor structure, evaluated construct validity, and explored potential short-form versions. Participants were 684 college student drinkers from throughout the United States (50. Read More

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Measuring Stereotype Threat at Math and Language Arts in Secondary School: Validation of a Questionnaire.

Front Psychol 2021 28;12:553964. Epub 2021 Jun 28.

Institute of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland.

A stereotype threat arises when a negative stereotype about group to which an individual belongs is activated. It affects the achievement and interest of students in a particular academic domain, e.g. Read More

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State Anhedonia in Young Healthy Adults: Psychometric Properties of the German Dimensional Anhedonia Rating Scale (DARS) and Effects of the COVID-19 Pandemic.

Front Psychol 2021 23;12:682824. Epub 2021 Jun 23.

Research Division of Mind and Brain, Department of Psychiatry and Psychotherapy Campus Charité Mitte, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.

Healthy reward processing is a complex interplay of several components. Recent self-report measures of anhedonia, the decrease or loss of hedonic capacity, take this complexity into account. The Dimensional Anhedonia Rating Scale (DARS) measures interest, motivation, effort and consummatory pleasure across four domains: hobbies, food/drink, social activities and sensory experiences. Read More

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Psychometric properties of the Sleep Hygiene Index in a large Italian community sample.

Sleep Med 2021 Aug 24;84:362-367. Epub 2021 Jun 24.

Department of Medicine and Surgery, University of Parma, Italy.

Objective/background: Poor sleep hygiene is considered an exacerbating and perpetuating factor of sleep disturbances and is also associated with poor mental health. The Sleep Hygiene Index (SHI) is a self-report measure assessing adherence to sleep hygiene practices. The aim of this study was to estimate the psychometric properties of the SHI in an Italian representative sample of the general population, following a formative measurement approach. Read More

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Spin-orbit coupling from a two-component self-consistent approach. II. Non-collinear density functional theories.

J Chem Phys 2021 May;154(20):204110

Dipartimento di Chimica, Università di Torino, via Giuria 5, 10125 Torino, Italy.

We revise formal and numerical aspects of collinear and non-collinear density functional theories in the context of a two-component self-consistent treatment of spin-orbit coupling. Theoretical and numerical analyses of the non-collinear approaches confirm their ability to yield the proper collinear limit and provide rotational invariance of the total energy for functionals in the local-density or generalized-gradient approximations (GGAs). Calculations on simple molecules corroborate the formal considerations and highlight the importance of an effective screening algorithm to provide the sufficient level of numerical stability required for a rotationally invariant implementation of non-collinear GGA functionals. Read More

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Measuring Gambling Outcome Expectancies in Adolescents: Testing the Psychometric Properties of a Modified Version of the Gambling Expectancy Questionnaire.

J Gambl Stud 2021 Jul 7. Epub 2021 Jul 7.

Department of Neuroscience, Psychology, Drug and Child's Health, Section of Psychology, University of Florence, via di San Salvi 12- Padiglione 26, 50135, Florence, Italy.

The Gambling Expectancy Questionnaire (GEQ; Gillespie et al. 2007a) is a 23-item scale assessing three positive outcome expectancies (Enjoyment/Arousal, Money, Self-Enhancement) and two negative outcome expectancies (Over-Involvement, Emotional Impact) related to gambling. It is the most used instrument to assess gambling outcome expectancies in adolescents and it has good psychometric properties. Read More

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The Strengths Use Scale: Psychometric Properties, Longitudinal Invariance and Criterion Validity.

Front Psychol 2021 15;12:676153. Epub 2021 Jun 15.

Department of Psychology, School of Life and Health Sciences, Glasgow Caledonian University, Glasgow, United Kingdom.

Strengths use is an essential personal resource to consider when designing higher-educational programs and interventions. Strengths use is associated with positive outcomes for both the student (e.g. Read More

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Validation and Test of Measurement Invariance of the Adapted Health Consciousness Scale (HCS-G).

Int J Environ Res Public Health 2021 06 4;18(11). Epub 2021 Jun 4.

Clinic of Psychosomatic Medicine and Psychotherapy, LVR-University Hospital, University of Duisburg-Essen, 45147 Essen, Germany.

The objective of this study was the translation and validation of a health consciousness scale in order to provide an economically and empirically confirmed measurement of health consciousness, which is associated with health-related behavior. We evaluated this translation on the basis of psychometric testing in a German convenience sample. A cross-sectional online survey ( = 470) was carried out using a translated version of the health consciousness scale, oriented on the basis of international guidelines. Read More

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[Psychometric Evaluation of the Implicit Positive and Negative Affect Test in Turkish Samples].

Turk Psikiyatri Derg 2021 ;32(1):43-50

Objective: Implicit affect is a concept distinct from explicit affect as it describes the affect processed by the individual at a preconscious level. The aim of this research is to evaluate the psychometric properties of the Turkish form of the Implicit Positive and Negative Affect Test (IPANAT-TR), originally developed by Quirin et al. (2009a) to measure affect indirectly. Read More

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January 2021