Original Five-factor Model Research Articles

Psychometric properties of the Strengths and Difficulties Questionnaire in an Icelandic community sample

Purpose The current paper aimed to evaluate the psychometric properties of the Icelandic translation of the Strengths and Difficulties Questionnaire, for both parent and teacher reports. SDQ is a widely used questionnaire for screening mental problems among youth. However, only a few studies have conducted a factor analysis on the youngest and oldest cohorts using an adequate sample size. This study aims not only to examine the traditional 5-factor model and alternative models suggested in prior research but also to establish norm data for the Icelandic population. Materials and methods The total sample consists of 1653 youth aged 5–16 years, thereof 316 parent reports and 271 teacher reports for the 5-year-old sample. We used confirmatory factor analysis to evaluate the factor structure. Special attention was given to the models’ performance across different age groups and between genders. This cross-demographic evaluation is vital to ensure that the SDQ’s utility is not limited by developmental or gender-specific variations in symptom expression or reporting. Results We found an acceptable fit for both the original five-factor model and the more recent three-factor model with higher-order internalizing and externalizing factors. The fit for the factor structures seemed to be quite similar across ages. However, we observed goodness-of-fit below the acceptable range for girls on the parent ratings. We also found evidence for the convergent and divergent validity of both models. Conclusions The current study provides further evidence of the utility of the SDQ as a screening instrument, with an acceptable factor structure across ages.

Adaptation and validation of the evidence-based practice profile (EBP2) questionnaire in a Norwegian primary healthcare setting

BackgroundAccess to valid and reliable instruments is essential in the field of implementation science, where the measurement of factors associated with healthcare professionals’ uptake of EBP is central. The Norwegian version of the Evidence-based practice profile questionnaire (EBP2-N) measures EBP constructs, such as EBP knowledge, confidence, attitudes, and behavior. Despite its potential utility, the EBP2-N requires further validation before being used in a cross-sectional survey targeting different healthcare professionals in Norwegian primary healthcare. This study assessed the content validity, construct validity, and internal consistency of the EBP2-N among Norwegian primary healthcare professionals.MethodsTo evaluate the content validity of the EBP2-N, we conducted qualitative individual interviews with eight healthcare professionals in primary healthcare from different disciplines. Qualitative data was analyzed using the “text summary” model, followed by panel group discussions, minor linguistic changes, and a pilot test of the revised version. To evaluate construct validity (structural validity) and internal consistency, we used data from a web-based cross-sectional survey among nurses, assistant nurses, physical therapists, occupational therapists, medical doctors, and other professionals (n = 313). Structural validity was tested using a confirmatory factor analysis (CFA) on the original five-factor structure, and Cronbach’s alpha was calculated to assess internal consistency.ResultsThe qualitative interviews with primary healthcare professionals indicated that the content of the EBP2-N was perceived to reflect the constructs intended to be measured by the instrument. However, interviews revealed concerns regarding the formulation of some items, leading to minor linguistic revisions. In addition, several participants expressed that some of the most specific research terms in the terminology domain felt less relevant to them in clinical practice. CFA results exposed partial alignment with the original five-factor model, with the following model fit indices: CFI = 0.749, RMSEA = 0.074, and SRMR = 0.075. Cronbach’s alphas ranged between 0.82 and 0.95 for all domains except for the Sympathy domain (0.69), indicating good internal consistency in four out of five domains.ConclusionThe EBP2-N is a suitable instrument for measuring Norwegian primary healthcare professionals’ EBP knowledge, attitudes, confidence, and behavior. Although EBP2-N seems to be an adequate instrument in its current form, we recommend that future research focuses on further assessing the factor structure, evaluating the relevance of the items, and the number of items needed.RegistrationRetrospectively registered (prior to data analysis) in OSF Preregistration. Registration DOI: https://doi.org/10.17605/OSF.IO/428RP.

Factor structure of the Chinese version of Emotion Regulation Goals Scale.

Recent studies in Western cultures suggested emotion regulation goals have important implications for mental health. This study aimed to test the factor structure of Emotion Regulation Goals Scale (ERGS) in a Chinese cultural context. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were first used to examine the factor structure of the ERGS, and then reliability and validity tests were conducted to examine the psychometric properties of the ERGS. Results showed that the original five-factor model demonstrated fit during both EFA and CFA, and was thus adopted for further psychometric analyses. Most of the five factors were significantly associated with emotion regulation tendencies and negative emotional outcomes (e.g., depression), except for the non-significant associations between pro-hedonic goals and expressive suppression, and pro-social and impression management goals with depression. The ERGS also showed good internal consistency and split-half reliability. However, the test-retest reliabilities varied substantially across the five factors. The pro-hedonic goal had a higher test-retest reliability, whereas the contra-hedonic, performance, pro-social, and impression management goals showed lower values, especially the latter two. In brief, the ERGS showed a promising five-factor structure in assessing emotion regulation goals in Chinese cultural context.

The Youth Anxiety Measure for DSM-5 (YAM-5): An Updated Systematic Review of its Psychometric Properties.

The Youth Anxiety Measure for DSM-5 (YAM-5) is a self- and parent-report scale specifically developed to assess symptoms of major anxiety disorders (part 1 or YAM-5-I) and specific phobias/agoraphobia (part 2 or YAM-5-II) in children and adolescents in terms of the contemporary psychiatric classification system. Since its introduction, the measure has been increasingly used in research, making it feasible to provide a summary of its psychometric properties. The present article presents a systematic review of 20 studies that employed the YAM-5, involving 5325 young participants. Overall, the results supported the hypothesized factor structure of both parts of the measure, although there were also some studies that could not fully replicate the original five-factor model of YAM-5-I. The internal consistency of the YAM-5 was generally high for the total scores of both parts, while reliability coefficients for the subscales were more variable across studies. Research also obtained evidence for other psychometric properties, such as test-retest reliability, parent-child agreement, convergent/divergent validity, and discriminant validity. Results further revealed that girls tend to show significantly higher anxiety levels on the YAM-5 than boys. Overall, these findings indicate that the YAM-5 is a promising tool for assessing symptoms of anxiety disorders including specific phobias in young people. Some directions for future research with the YAM-5 and recommendations regarding the use of the measure are given.

The Personality Inventory for DSM-5-Brief Form (PID-5-BF): Psychometric indicators in a Brazilian community sample

Objective: To investigate psychometric properties (internal structure, convergent/discriminant validity, internal consistency, and test-retest) of the Personality Inventory for DSM-5-Brief Form (PID-5-BF) in a Brazilian community sample. Method: This is a study with a psychometric design. A sample of 527 adults from the general population (69.9% women; 33.5 ± 14.0 years; 74.0% ≥ 12 years education) responded to the instrument online after the study was disseminated on social networks and to the researchers’ contacts. The NEO-PI-R and sociodemographic questionnaire were applied besides the PID-5-BF, and a retest was applied 15-30 days after the initial assessment for reliability assessment. Data were analyzed using statistical techniques (IBM SPSS19 and Factor20); the significance level was set at p ≤ 0.05 for all the analyses. Results: Internal consistency was verified using Cronbach’s alpha and was adequate (domains α ≥ 0.69; total α = 0.87), in addition to test-retest reliability (domains ICC ≥ 0.82; total ICC = 0.95). Divergences were found between the PID-5-BF different domains despite them being significantly correlated with each other. Convergent validity with the NEO-PI-R was adequate, with moderate/strong correlations between the domains theoretically associated (r > 0.38). The internal structure (Exploratory Factor Analysis) indicated that the original five-factor model (CFI = 0.991; TLI = 0.986; RMSEA = 0.033) and one-factor model were adequate (CFI = 0.908; TLI = 0.899; RMSEA = 0.089. Conclusions: The findings support using the PID-5-BF Brazilian version, which presented adequate psychometric properties comparable to the original version. This instrument can be helpful in the clinical and research fields to screen general and specific traits of personality pathology. Future studies are suggested to expand the psychometric findings among clinical samples, confirming the instrument’s scope of reach.

Psychometric Properties and Validity of the Screen for Child Anxiety Related Emotional Disorders: Parent Version (SCARED-P) in an Early Childhood Sample.

The Screen for Child Anxiety Related Emotional Disorders: Parent Version (SCARED-P) was originally developed for use in middle childhood and adolescence. The present study examined the psychometric properties and validity of the SCARED-P in an early childhood sample (predominantly aged 4-7 years). The 41-item version of the SCARED-P was administered to the parents of 233 children (mean age = 6.31 years, SD = 1.08; females = 34.3%). Confirmatory factor analysis provided mixed support for the original five-factor model of the SCARED-P. The SCARED-P demonstrated good to excellent internal consistency (total α = .94, subscale α = .68-.89), and good construct validity with the Child Behavior Checklist, Strengths and Difficulties Questionnaire, and the Developmental and Well-being Assessment. These findings indicate overall initial support for the SCARED-P's utility as a measure of anxiety in early childhood, but further psychometric and validation studies are needed in larger community-based samples of young children.

Validity and Reliability of the Metacognitions Questionnaire-30 (MCQ-30) among Chinese Adolescents.

This study aimed to examine the psychometric properties of the Metacognitions Questionnaire-30 (MCQ-30) in a sample of Chinese adolescents (1382 boys, 1445 girls) aged 11 to 18 years. Confirmatory factor analysis was performed to assess factor structure, as well as, measurement invariance across demographic groups and clinical symptoms. The results of confirmatory factor analyses supported the original five-factor model. Configural, metric and scalar invariance of the five-factor model were also supported by gender, age, ethnicity, residence, parental education level, depression and anxiety status. Furthermore, all five subscales demonstrated good internal consistency (Cronbach alphas > 0.75) and test-retest reliability (intra-class correlation coefficients > 0.45). Finally, the five factors were positively related to symptoms of depression, anxiety, and irritability and negatively related to positive childhood experiences and life satisfaction, indicating excellent validity. The findings provide initial evidence that the MCQ-30 is a valid measure for use in Chinese adolescents.

Validation of Italian students' self-ratings on the SSIS SEL brief scales.

Despite increasing interest in measuring social and emotional learning (SEL), there is a lack of European-validated tools for assessing the efficacy of SEL programs. The aim of this study was to validate an Italian version of the social skills improvement system (SSIS) SEL brief scales-student form. Participants were 1,175 students (mean age: 11.02 years; SD: 2.42; range: 8-16 years; males: 46.8%) recruited at schools in Northern Italy. Initial confirmatory factor analysis encountered a series of challenges, implying non-convergence of the original five-factor measurement model (self-awareness, self-management, social awareness, relationship skills, and responsible decision-making) based on the Collaborative on Academic Social Emotional Learning (CASEL) competency framework established with students in the United States. Further exploratory and confirmatory analyses supported a four-factor model that remained partially invariant across gender groups. The Italian version of the SSIS SEL brief scales was thus shown to be an efficient measurement tool for estimating social and emotional learning in students. We discuss the implications of findings in relation to selecting valid and reliable instruments for assessing children's and adolescents' SEL competencies, while considering the culturally-situated nature of the constructs under study.

Factor Structure of the Teacher Strengths and Difficulties Questionnaire in a Large Community-Based Sample: An Investigation of Alternative Measurement Models.

The Strengths and Difficulties Questionnaire (SDQ) is a screening measure commonly used to assess behavioral and emotional symptoms and strengths among children and adolescents. However, despite its frequent use, its underlying factor structure remains an important area of inquiry. Whereas the original five-factor structure has often been supported through exploratory factor analysis, results from confirmatory analyses continue to yield mixed results. We analyzed data from youth in Grades K through 12 from a large epidemiologic study in the Southeastern United States. Teacher-report SDQ data were used to test three confirmatory factor models by school level (i.e., elementary [Grades K-5] and secondary [Grades 6-12]): The original five-factor model, a three-factor model, and a bifactor model. Model fit indices and reliability measures supported the original five-factor model as the preferred model when using the teacher-reported SDQ with both elementary and secondary school children. Implications for using the SDQ in applied research and predictive modeling are discussed.

Psychometric evaluation of the Connor-Davidson Resilience Scale among Iranian population

BackgroundThe resilience construct is considered a personal trait composed of multiple aspects. Connor–Davidson Resilience Scale is a standard tool composed of five factors and 25 items. This study aimed to determine the psychometric properties of this scale.MethodsIn this cross-sectional study, after the scale translation, the factorial structural validity was assessed via the confirmatory factor analysis with 70 180 samples. Internal consistency, composite reliability, convergent validity were assessed by calculating Cronbach’s alpha, composite reliability, maximum reliability, and Average Variance Extracted. The discriminant validity was assessed using Heterotrait-monotrait ratio of correlations matrix and also, measure invariance was evaluated.ResultsThe original five-factor model had good model fit indices but due to low factor loading of item 2 and 20, the model was modified. The Cronbach’s alpha and composite reliability for four factors were above 0.7 (except for factor 5). The convergent validity for all five factors were achieved. Between factors 1 with 2 and 4, 2 with 3 and 4 discriminant validity was not established (correlations > 0.9) and the results suggested that there might be a second-order latent construct behind these factors. Therefore, a second-order assessment was performed. The results of the second-order latent construct assessment showed a good goodness-of fit and strong measurement invariance for both men and women.ConclusionThe 23-item version of Connor-Davidson Resilience Scale is a reliable and valid scale to measure resilience as a complex construct in the Iran context.

Validation and clinical application of the Metacognitions Questionnaire in a sample of Brazilian generalized anxiety disorder patients: the effects of different treatment interventions.

Metacognitive beliefs about worry may trigger anxiety. However, the effect of generalized anxiety disorder (GAD) treatment on metacognition has not yet been investigated. To validate the Metacognitions Questionnaire (MCQ-30) in a Brazilian GAD sample and verify whether different interventions reduce metacognitive beliefs. We recruited 180 GAD individuals and randomized them to Body in Mind Training (BMT), Fluoxetine (FLX), or an active control group (Quality of Life [QoL]) for 8 weeks. The MCQ-30 was assessed for internal consistency, was evaluated with confirmatory and exploratory factor analyses, and was tested for convergent validity with the Penn State Worry Questionnaire (PSWQ). Generalized estimating equations (GEE) were employed to analyze differences after the interventions. The MCQ-30 demonstrated good internal consistency and acceptability; the original five-factor model was supported. There was a positive moderate correlation between MCQ-30 scores and worry. GEE showed a significant group x time interaction (p < 0.001). Both BMT (mean difference [MD] = -6.04, standard error [SE] = -2.39, p = 0.034) and FLX (MD = -5.78, SE = 1.91, p = 0.007) reduced MCQ-30 scores. FLX was superior to QoL, but not BMT, at weeks 5 and 8. There were no differences between BMT and QoL. The Brazilian-Portuguese version of MCQ-30 showed good psychometric properties. Furthermore, the positive effect of FLX and BMT on metacognition suggests it may represent a potential therapeutic target.

Psychometrics of the Chinese Inventory of Personality Organization (IPO-CH).

The present study aimed to examine the psychometric properties of the Chinese Inventory of Personality Organization (IPO-CH). The IPO-CH was administered to a sample of 336 Chinese undergraduates, and, among them, 125 participants completed the survey 2 months later. Results showed that the IPO-CH has adequate internal consistency (Cronbach's α = .95) and test-retest reliability (r = .60). Exploratory factor analysis did not replicate the original five-factor model but suggested a four-factor model. The IPO-CH manifested good concurrent validity and convergent validity concerning the severity of the pathological personality disorder symptoms. Furthermore, the IPO-CH predicted participants' depression severity and life events evaluated 2 months later. Future research may need to evaluate its properties in Chinese clinical samples.

Spanish normative data of the Strengths and Difficulties Questionnaire in a community-based sample of adolescents

Background/Objective: The Strengths and Difficulties Questionnaire self-report (SDQ-S) has been extensively used to assess mental health problems among children and adolescents. However, previous research has identified substantial age and country variation on its psychometric properties. The aim of this study was three-fold: i) to evaluate internal structure and measurement invariance of the Spanish version of the SDQ; ii) to analyze age and gender-specific effects on the SDQ subscales; and iii) to provide Spanish normative data for the entire age range of adolescence. Method: Data were derived from two representative samples of adolescents aged 14 to 19 years old, selected by stratified random cluster sampling years (N = 3378). Results: The reliability of the Total difficulties score was satisfactory, but some subscales showed lower levels of internal consistency. Confirmatory factor analysis supported the original five-factor model. Finally, results revealed that SDQ scores were influenced by the gender and the age of participants; thus, the normative banding scores and cut-off values were provided accordingly. Conclusions: This study validates the Spanish SDQ-S for the entire age range of adolescence. However, more cross-country and cross-age research is needed to better understand the inconsistent findings on SDQ reliability.

The Spanish Posttraumatic Growth Inventory - Short Form in Adult Survivors of Child Sexual Abuse

Child sexual abuse (CSA) survivors can experience psychological changes and growth as a consequence of their victimization experience, known as posttraumatic growth (PTG). The purpose of this study was to evaluate the dimensionality, reliability and validity of the Spanish version of the Posttraumatic Growth Inventory - Short Form (PTGI-SF) (Tedeschi & Calhoun, 1996) in a sample of 104 adult survivors of CSA. Different models of PTGI-SF validated in different languages and samples were tested using Confirmatory Factor Analysis. The results showed that the original five-factor model exhibited the best goodness of fit. Internal consistency was adequate for the general scale, and acceptable for the five different factors. Furthermore, positive correlations were found between the PTGI-SF total score and psychosocial and mental health problems, as well as gender differences, with women tending to report more PTG than men. These results suggest that the Spanish PTGI-SF is a brief, reliable, valid self-report measure for assessing PTG experienced by CSA survivors.

Internalizing problems, externalizing problems, and prosocial behavior - three dimensions of the strengths and difficulties questionnaire (SDQ): A study among South African adolescents.

This study aimed to examine the factor structure of the Strengths and Difficulties Questionnaire Self-Report version (SDQ-S), its psychometric properties and measurement invariance by gender and language spoken at home, among secondary school students in Western Cape, South Africa. A sample of 3,542 adolescents in Grade 8 (Mean age = 13.7 years) completed the SDQ-S in a three-language questionnaire (Afrikaans, English and isiXhosa). The data were collected from 42 secondary schools in Cape Town, South Africa. Confirmatory factor analyses with the WLSMV estimator with adjustment for cluster effects (schools) were applied. The SDQ-S was originally developed to cover five domains: four "difficulty" domains (hyperactivity/inattention, emotional, conduct, and peer) and one "strengths" domain (prosocial behavior). When the five factors were tested on the data for the current study, poor fit was obtained. After excluding four items, a three-factor solution with no cross-loadings and no correlated error terms obtained acceptable fit. The results are consistent with previous studies. Strong measurement invariance across genders and language spoken at home was confirmed. In studies of community samples, the use of the SDQ-S scale as an instrument with a three-factor dimension (internalizing, externalizing and prosocial) may be more appropriate than using the original five-factor model.

Psychometric properties of the Compulsive Exercise Test in a large sample of female adolescent and adult inpatients with anorexia nervosa and bulimia nervosa.

The Compulsive Exercise Test (CET) was developed to assess compulsive exercise in patients with eating disorders (EDs), but originally validated in a nonclinical sample, and psychometric properties were only investigated in small clinical samples. Therefore, the aim of this study was to examine its psychometric properties in a large clinical sample of adolescent and adult inpatients with anorexia nervosa and bulimia nervosa. A sample of 2,535 German female inpatients with EDs completed the CET and other instruments at admission and discharge. Factor structure (confirmatory [CFA] and exploratory factor analyses [EFA]), internal consistency and construct validity, measurement invariance across age and diagnostic groups, group comparisons of means, as well as sensitivity to change during treatment were assessed. The CET showed high internal consistency, very good construct validity, and sensitivity to change. CFA indicated a better fit of four-factor and three-factor solutions compared to the original five-factor model. However, subsequent EFA identified an optimum for a five-factor model. Only three subscales were satisfactorily invariant to measurement, but not the CET total score. Only small differences in scores between patient groups were observed. Results support internal consistency, construct validity, and sensitivity to change, whereas factor structure remains inconclusive, questioning the theoretical basis of the CET. There is limited support for using the lack of enjoyment subscale, and only moderate support for using the rigidity subscale in patients with EDs. It is recommended to further explore and/or revise the original CET, including investigation in other samples, for example, male samples.

Psychometric Properties of Object Relation Scale: Factor Structure and Relationship to Mental Health

Background: Object Relations Scale (ORS: Iume, Hirai, Aoki &amp; Baba, 2006) was developed for accessing an individual’s object relation pattern. It consists of five domains: Insufficiency of Intimacy, Superficiality in Interpersonal Relations, Egoistic Manipulation, Excessive Need for Identification, and Abandonment Anxiety. However, its factor structure using confirmatory factor analysis (CFA) is still undetermined.&#x0D; Purpose: This study aims at evaluating the psychometric properties of ORS, in particular, confirming its factor structure using CFA, and examining the relationship of object relation maturity, to mental health as well as to psychological distress.&#x0D; Methods: The subjects of this study were 547 medical college students in Japan. CFA were conducted in order to determine the best fit model. The relationships of maturity level of one’s object relation pattern to his/her mental health as well as psychological distresses were examined by t-tests.&#x0D; Results: A four-factor model, a modified version of the original five-factor model showed the best fit. Among the four factors, three were those included in the original model. They were Insufficiency of Intimacy, Superficiality in Interpersonal Relations, and Abandonment Anxiety. The last factor consisted of items originally included in the remaining two factors, Egotistic Manipulation and Excessive Need for Identification. Each ORS subscale score positively correlated with that of mental health problems as well as those of psychological distresses of one or more domains at significant levels.&#x0D; Conclusion: The four-factor model, which does not necessarily negate the original five-factor model proposed by Iume et al., showed the best fit. Immaturity and instability in object relation relationship contributed to a variety of distresses as well as poor mental health.

World Trade Center Exposure and Posttraumatic Growth: Assessing Positive Psychological Change 15 Years after 9/11.

We evaluated the presence of posttraumatic growth (PTG) among survivors of the 9/11 terrorist attack and how indicators of psychosocial well-being, direct 9/11-related exposure, and posttraumatic stress symptoms (PTSS) relate to PTG. PTG was examined among 4934 participants using the Posttraumatic Growth Inventory (PTGI). A confirmatory factor analysis (CFA) was conducted to determine if the original factor structure of the PTGI fits our data and principal component analysis (PCA) to identify the appropriate factor structure. Multivariable linear regression models were used to examine the association between PTG and indicators of psychosocial well-being, 9/11-related exposure, and PTSS, controlling for covariates. CFA identified a two-factor structure of the PTGI as a better fit than the original five-factor model. Participants who experienced very high 9/11-related exposure level (ß = 7.72; 95% CI: 5.75–9.70), higher PTSS at waves 1 (ß = 0.13; 95% CI: 0.08–0.18) and 2 (ß = 0.09; 95% CI: 0.05–0.14), high social integration (ß = 5.71; 95% CI: 4.47, 6.96), greater social support (ß = 0.49; 95% CI: 0.37, 0.61), and higher self-efficacy (ß = 1.26; 95% CI: 1.04, 1.48) had higher PTGI scores. Our findings suggest PTG is present, 15 years following the 9/11 terrorist attack. Very high-level 9/11 exposure, PTSS, and indicators of psychosocial well-being were associated with PTG.

Psychometric Properties of the Persian Version of Personality Inventory for DSM-5 (PID-5) in Psychiatric Patients

Background: The fundamental problems with the personality disorders diagnostic system in DSM-IV led to the revision of the DSM approach and proposition of a dimensional model for DSM-5. The DSM-5 Personality and personality disorders workgroup developed the personality inventory for DSM-5 (PID-5) to assess the pathological personality traits within this new model. Objectives: The purpose of this study was to investigate the psychometric properties of PID-5 in psychiatric patients. Methods: In a cross-sectional study, the Persian translation of the PID-5 was administered to 400 psychiatric patients admitted to the Roozbeh Hospital. After data collection, the reliability of the inventory was investigated using internal consistency and test-retest methods. In addition, confirmatory factor analysis and convergent validity methods were used to evaluate the validity of the scale. Results: Adequate internal consistency coefficients were obtained for domains and facets. In addition, the test-retest coefficients (up to 0.70) suggested scale stability. Confirmatory factor analysis supported the original five-factor model of the inventory. The convergent validity of the inventory with the TCI-R scale was appropriate. Conclusions: The results of the study supported the psychometric properties of the Persian version of PID-5 in psychiatric populations.

Reliability and validity of a short Japanese version of the UPPS-P Impulsive Behavior Scale

ObjectiveThis study aimed to verify the reliability and validity of a Japanese version of the S-UPPS-P Impulsive Behavior Scale. This is expected to facilitate comparisons of findings between international and Japanese samples in studies of impulsivity. MethodsTwo surveys were conducted. In the first survey, 632 participants, aged 20–44 years old, completed a translated version of the Japanese S-UPPS-P Impulsive Behavior Scale, the Motor Impulsiveness Scale, a short form of the Big-Five scale, the short Grit scale, and the brief version of the self-control scale. Two weeks later, the second survey containing the S-UPPS-P and the motor impulsiveness scale were completed by 450 participants who had completed the first survey to examine test-retest reliability. ResultsIn the first survey, an exploratory factor analysis was performed on the S-UPPS-P responses. A four-factor solution was the most suitable solution, with the factors of “Lack of Perseverance,” “Lack of Premeditation,” “Sensation Seeking,” and “Negative-Positive Urgency.” Then, a confirmatory factor analysis was performed. The conformity index of the original five-factor model was slightly better than that of the four-factor model. We also compared the five-factor model’s conformity index with three other models that had been examined in the original and other foreign language versions of the S-UPPS-P. The five-interrelated factor model had the best model fit. The reliability of the five scales was confirmed. The scales exhibited internal consistency with α coefficients ranging from 0.65 to 0.79, in addition to the test-retest reliability ranging from 0.74 to 0.80. The convergent validity of each S-UPPS-P scale was supported by high relationships with the four personality scales, with the highest correlation coefficients ranging from 0.37 to −0.67. ConclusionThe reliability and validity of the Japanese version of the S-UPPS-P were confirmed, despite the minor limitations of the exploratory factor analysis providing a four-factor solution instead of a five-factor solution, and the α reliability coefficients of two scales being acceptable but rather low. Thus, comparisons of findings between international and Japanese studies on impulsivity could be facilitated.