Reliability of the AAMD adaptive behavior scale-public school version

Interrater reliability and stability of the AAMD Adaptive Behavior Scale- Public School Version, Part I was investigated. Thirty-one children enrolled in resource classes for the educable mentally handicapped were rated by their parent, special education teacher, regular classroom teacher, and an independent observer. Raters completed the scale a second time 2 weeks after the initial ratings. Significant differences were found between raters, although ratings were stable over time. In general, ratings of special education teachers were lower than those of parents, regular classroom teachers, and the observer.     

Quest: A Bayesian adaptive psychometric method

An adaptive psychometric procedure that places each trial at the current most probable Bayesian estimate of threshold is described. The procedure takes advantage of the common finding that the human psychometric function is invariant in form when expressed as a function of log intensity. The procedure is simple, fast, and efficient, and may be easily implemented on any computer.     

The restraint scale: a psychometric investigation

The psychometric characteristics of the Restraint Scale in obese and normal-weight subjects were compared. Scores were significantly higher and more homogeneous in the obese than in the normal-weight group. In light of previous studies indicating that obese subjects behave like normal-weight subjects whose Restraint scores are several points (approx. 3–6) lower, the present result was interpreted as suggesting that numerically-equivalent scores may represent less restraint in obese individuals than in normal-weight people.The psychometric evaluation of the Restraint Scale also revealed that the scale was less reliable in the obese than in the normal-weight population and seemed to tap somewhat different constructs in the two subpopulations. Factor analyses yielded a two-dimensional solution in the normal-weight group and a four-dimensional solution in the obese group. Correlations of the scale with a measure of Defensiveness also differed in the two samples.These results indicate that the norms, reliability and construct validity of the scale differ for obese and normal-weight populations. If restraint theory's predictions concerning the relations between restraint and obesity are to be adequately tested these differences must be taken into account.     

The claustrophobia scale: a psychometric evaluation

This article presents a psychometric evaluation of the Claustrophobia Scale (CS), consisting of one subscale for measuring anxiety (20 items, 0-4) and one for avoidance (18 items, 0-2). Participants were 87 claustrophobic patients and 200 normal controls randomly selected from the community. The results show that CS has excellent internal consistency, high test-retest reliability, concurrent and discriminant validity. The patients and controls differ significantly on the total scores of anxiety and avoidance, as well as on each individual item scores. The CS was also found to be sensitive to change after cognitive behavioral treatment. Preliminary factor analyses yielded two factors for each subscale; "Being in small enclosed spaces" and "Other people present", accounting for large proportions of the variance. The CS is useful both as a state, and as an outcome self-report measure of claustrophobia.     

A psychometric investigation into the body-cathexis scale

The Body-cathexis Scale is examined to assess its psychometric properties. Results indicate a strong unidimensional measure with high internal consistency. It is recommended as a scale for research into the role of body feelings in self-concept and personality.     

The scale of ethnic experience: development and psychometric properties

The Scale of Ethnic Experience (SEE) is a new self-report instrument designed to measure multiple ethnicity-related cognitive constructs across ethnic groups. We present the development and psychometric properties here. We generated and refined an item pool using expert consultants and culturally diverse focus groups. We derived a final 32-item version of the SEE based on separate factor analyses of data from college students in 4 ethnic groups: African Americans, Caucasian Americans, Filipino Americans, and Mexican Americans. Four factors were consistent across the ethnic groups: Ethnic Identity, Perceived Discrimination, Mainstream Comfort, and Social Affiliation. We found evidence of test-retest reliability, internal consistency, and criterion and construct validity for all groups. Finally, we cross-validated the factor structure of the SEE in a culturally diverse sample. Results support the reliability and validity of the SEE as a multidimensional measure of ethnicity-related cognitive constructs that can be used across American ethnic groups.     

The frequency of actions and thoughts scale: development and psychometric validation of a measure of adaptive behaviours and cognitions

This paper describes the development and preliminary psychometric evaluation of an instrument that measures the frequency of adaptive behaviours and cognitions related to therapeutic change during cognitive behavioural therapy (CBT), for symptoms of anxiety and depression. Two studies were conducted. In study one, 661 participants completed an online survey with 28 items targeting adaptive behaviours and cognitions. Exploratory factor analysis performed on part of the sample (n = 451) revealed that a four-factor solution ‘characterised’ the data. This led to the development of a 12-item instrument, the Frequency of Actions and Thoughts Scale (FATS). Confirmatory factor analysis was used to confirm the factor structure of the FATS using the remaining sample (n = 210), which revealed an acceptable model fit. In study two, 125 participants with clinically significant symptoms of anxiety, depression, or both were recruited to an Internet-delivered CBT (iCBT) treatment course. Participants completed the FATS and other measures throughout treatment, after treatment, and at three-month follow-up. Correlations and residual change scores of the FATS and its subscales with measures of anxiety, depression, behavioural activation, and CBT-related skills usage supported the construct validity of the FATS. A significant increase in FATS scores over treatment was also observed. The findings provide preliminary support for the psychometric properties of the FATS, which appears to have utility in research investigating mechanisms of change in CBT.     

A psychometric examination of the multidimensional perfectionism scale

The Multidimensional Perfectionism Scale (MPS), developed by Frost, Marten, Lahart, and Rosenblate (1990), was constructed using an all female sample at an elite university. This study examined the psychometric properties of the instrument using a more typical sample (n=278) of college students from a large state university and a small liberal arts college, both located in the South. Significant differences were found on the overall MPS score as well as six of the seven subscales between this sample and that of Frostet al. No gender differences were found for any of the MPS scores. Internal reliability was found to be .88 for the total score, with subtests ranging from .57 to .95. Interscore correlations were relatively consistent with the Frostet al. sample except for a negative correlation between the PS subscale and the total score. There was a strong confirmation of the underlying factor structure reported by Frostet al. The overall impression was that the MPS is a psychometrically sound instrument of potential value in studying the construct of perfectionism.     

A sensation seeking scale for children: Further refinement and psychometric development

A revision of the Sensation Seeking Scale for Children (SSSC) was standardized and validated on a community sample of 660 elementary- and middle-school children and 168 clinic-referred male children. Factor analysis of the combined samples yielded three unique factors, entitled Thrill and Adventure Seeking, Drug and Alcohol Attitudes, and Social Disinhibition. Psychometric indices of reliability and validity were acceptable, but test-retest reliability was only moderate. Differences in SSSC scores according to sex, ethnic group, age, and intellectual status were similar to those found previously with the adult Sensation Seeking Scales. Consistent with documented relations between adult antisocial personality and sensation seeking, the SSSC distinguished boys with conduct disorder (CD) from clinic controls, but the SSSC scores of boys with CD did not differ from those of the community sample boys. Discussion includes suggestions as to the continued study of the assessment of sensation seeking in children.This research was supported by National Institutes of Health Grant 1-R01-MH42529-04 and is based on the doctoral research of the first author.     

Brief report: Psychometric properties of the adaptive behavior scale with psychiatric inpatients

This study investigated the psychometric properties of the Adaptive Behavior Scale (ABS) with a sample of chronic psychiatric inpatients. Patients (N = 117) on extended care wards of a state hospital were assessed with the ABS. An orthogonal principal-components analysis revealed three underlying factors (independent functioning, general maladaptation, and inappropriate social behavior). Evidence for construct validity was demonstrated by analyses demonstrating that the ABS could discriminate among patients according to age, diagnosis, and length of hospitalization. The results are consistent with previous data which suggest that the ABS can be appropriately used with psychiatric patients. Implications of the results for suggestions regarding possible revision of the ABS are discussed.     

The Speech Anxiety Thoughts Inventory: scale development and preliminary psychometric data

Cognitions have been known to play a central role in the development, maintenance, and treatment of speech anxiety. However, few instruments are currently available to assess cognitive contents associated with speech anxiety. This report describes three studies examining the psychometric characteristics of a revised English version of the Speech Anxiety Thoughts Inventory (SATI)-an instrument measuring maladaptive cognitions associated with speech anxiety. In Study 1, factor analyses of the SATI revealed a two-factor solution-"prediction of poor performance" and "fear of negative evaluation by audience", respectively. In Study 2, the two-factor structure was replicated. In addition, results revealed stability over a four-week period, high internal consistency, and good convergent and discriminant validity. In Study 3, the scale demonstrated sensitivity to change following brief exposure-based treatments. These findings suggest that the SATI is a highly reliable, valid measure to assess cognitive features of speech anxiety.     

Compensatory health beliefs: scale development and psychometric properties

Compensatory Health Beliefs (CHBs) are beliefs that the negative effects of an unhealthy behavior can be compensated for, or “neutralised,” by engaging in a healthy behavior. “I can eat this piece of cake now because I will exercise this evening” is an example of such beliefs. The present research describes a psychometric scale to measure CHBs (Study 1) and provides data on its reliability and validity (Studies 2 and 3). The results show that scores on the scale are uniquely associated with health-related risk behaviors and symptom reports and can be differentiated from a number of related constructs, including irrational health beliefs. Holding CHBs may hinder individuals from acquiring healthier lifestyles, for example lose weight or exercise.     

The Children's Behavior Questionnaire very short scale: psychometric properties and development of a one-item temperament scale

Little research has been conducted on the psychometrics of the very short scale (36 items) of the Children's Behavior Questionnaire, and no one-item temperament scale has been tested for use in applied work. In this study, 237 United States caregivers completed a survey to define their child's behavioral patterns (i.e., Surgency, Negative Affectivity Effortful Control) using both scales. Psychometrics of the 36-item Children's Behavior Questionnaire were examined using classical test theory, principal factor analysis, and item response modeling. Classical test theory analysis demonstrated adequate internal consistency and factor analysis confirmed a three-factor structure. Potential improvements to the measure were identified using item response modeling. A one-item (three response categories) temperament scale was validated against the three temperament factors of the 36-item scale. The temperament response categories correlated with the temperament factors of the 36-item scale, as expected. The one-item temperament scale may be applicable for clinical use.     

The Near-Death Experience Content (NDE-C) scale: Development and psychometric validation

As interest grows in near-death experiences (NDEs), it is increasingly important to accurately identify them to facilitate empirical research and reproducibility among assessors. We aimed (1) to reassess the psychometric properties of the NDE scale developed by Greyson (1983) and (2) to validate the Near-Death Experience Content (NDE-C) scale that quantifies NDEs in a more complete way. Internal consistency, construct and concurrent validity analyses were performed on the NDE scale. Based on those results and the most recent empirical evidence, we then developed a new 20-item scale. Internal consistency, explanatory and confirmatory factor, concurrent and discriminant validity analyses were conducted. Results revealed (1) a series of weaknesses in the NDE scale, (2) a 5-factor structure covering relevant dimensions and the very good psychometric properties of the NDE-C scale, including very good internal consistency (Cronbach α = 0.85) and concurrent validity (correlations above 0.76). This new reliable scale should facilitate future research.     

Evidence on age and ethnic status bias in factor scores and the comparison score for the AAMD adaptive behavior scale-school edition

This report analyzes the contribution of gender, ethnic status, age, and school classification to the five factor scores and the comparison score of the Adaptive Behavior Scale-School Edition (ABS-SE). These factor scores were derived from extensive analysis of the performance of subjects of different ages and different levels of mental retardation. The comparison score evolved from discriminant analysis of the factor scores and is computed as a weighted sum of the three factor scores from Part One of the ABS-SE. The results of the ANOVAs conducted to test the main and interaction effects showed significant mean differences between normal, mildly retarded, and moderately to severely retarded subjects over the age range from 3 through 16 years on the ABS-SE factor and comparison scores. In general, there was no significant contribution of either gender or ethnic status to scores from ages 7 through 16, but there was a significant difference attributable to ethnic status with a meaningful amount of explained variance in the community and self-sufficiency and comparison scores of subjects aged 3–6. Although these differences were significant, children 3–6 years old classified as white did not necessarily perform better on all factor scores than those of minority ethnic groups. Discussion of the results in the context of contemporary criteria for test bias and of competing explanations for ethnic group differences in performance of young children on the ABS-SE follows the presentation of the findings. The results provide additional evidence for the validity of the ABS-SE factor and comparison scores and show that in general the factor and comparison scores are not affected by gender or ethnic status.     

Oxford cognitive screen: A critical review and independent psychometric evaluation

The Oxford cognitive screen (OCS) is a stroke-specific cognitive screening assessment. Although the test developers have provided psychometric information for the assessment, the OCS has received minimal external scrutiny, with which to triangulate the underpinning psychometrics. The purpose of this study is to provide a critical review and independent validation of the OCS. This study analysed data from an anonymised clinical database, which consisted of 316 patients who were assessed using the OCS on an Acute Stroke Unit. The rates of impairment on tests of memory and receptive communication were lower than expectation, suggesting that these subtests may be relatively insensitive. Patients with aphasia were more likely to be unable to categorised as impaired on non-language tests, suggesting that they remain sensitive to language processing or non-dominant hand usage. Some of the subtests of the OCS achieve high retest reliability, which makes them good candidates for measuring cognitive change over time. Although the OCS has many advantages, it is also important to adequately consider its limitations, that is insensitivity to memory problems, the potential confounding impact of non-dominant hand usage, and the potential that some tests may sample overall cognitive ability instead of domain-specific functioning.     

A psychometric assessment of a Swedish translation of Spreitzer's empowerment scale

The psychometric properties of a Swedish translation of Spreitzer's (1995a) empowerment scale were assessed. Three parallel assessments were made of data from 1,107 female registered nurses, 758 female assistant nurses, and 107 male registered and assistant nurses. The analyses indicated that the psychometric properties of the scale can be considered satisfactory. Suggestions are made regarding future research in the fields of psychometrics and work- and health-psychology.     

A psychometric assessment of a Swedish translation of Shafer's personality scale

The psychometric properties of a Swedish translation of Shafer's (1999a) Big Five Marker (BFM) scale were assessed. The assessment was based on self-ratings on the BFM scale obtained from 694 subjects (82% women and 18% men) residing in Sweden. The following main results were obtained: (a) The factor structure was clear and simple. (b) The factor reliabilities were satisfactory. (c) The heterotrait-heteromethod coefficients indicated construct validity for the scale. (d) The BFM scale showed similar psychometric properties for the older, employed, Swedish sample of the present study to those obtained for the younger, psychology undergraduate, USA sample in Shafer's study (1999a). The conclusion is that the BFM scale has satisfactory and stable psychometric properties and that due to its brevity and documented psychometric evaluation will facilitate research within the Big-Five factor domain, not least in Sweden.     

The liebowitz social anxiety scale as a self-report instrument: a preliminary psychometric analysis

The Liebowitz social anxiety scale (LSAS) is a commonly used clinician-administered instrument. The present study reports on the properties of a self-report version of the LSAS (LSAS-SR). About 175 participants diagnosed with social phobia participated in the study. The LSAS-SR showed overall good psychometric properties as indicated by the results of test-retest reliability, internal consistency, and convergent and discriminant validity. Furthermore, the scale was sensitive to treatment change. The construct validity of the LSAS-SR, however, remains to be further explored. These findings support the utility of the LSAS-SR, which has the advantage of saving valuable clinician time compared to the clinician-administered version.