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(2000). Determining Validity in Qualitative Inquiry. Theory Into Practice: Vol. 39, Getting Good Qualitative Data to Improve Eduational Practice, pp. 124-130.

Materias / palabras clave: Geriatric Depression Scale; Rating scale; Depression (economics); Validation test; Psychology; Research Diagnostic Criteria; Psychometrics; Reliability (semiconductor); Test validity; Clinical psychology; Psychiatry; Med...

In recent studies of the structure of affect, positive and negative affect have consistently emerged as two dominant and relatively independent dimensions. A number of mood scales have been created to measure these facto...

Despite the widespread use of exploratory factor analysis in psychological research, researchers often make questionable decisions when conducting these analyses. This article reviews the major design and analytical deci...

1. Introduction 2. Basic concepts 3. Devising the items 4. Scaling responses 5. Selecting the items 6. Biases in responding 7. From items to scales 8. Reliability 9. Generalizability theory 10. Validity 11. Measuring cha...

Reliability coefficients often take the form of intraclass correlation coefficients. In this article, guidelines are given for choosing among six different forms of the intraclass correlation for reliability studies in w...

Medical educators attempt to create reliable and valid tests and questionnaires in order to enhance the accuracy of their assessment and evaluations. Validity and reliability are two fundamental elements in the evaluatio...

Materias / palabras clave: Scale (ratio); Psychology; Agreement; Statistics; Level of measurement; Validation test; Econometrics; Social psychology; Psychometrics; Test validity; Clinical psychology; Mathematics

Materias / palabras clave: Psychology; Beck Depression Inventory; Depression (economics); Clinical psychology; Psychometrics; Psychiatry; Anxiety; Macroeconomics; Economics

Materias / palabras clave: Interpretability; Criterion validity; Quality (philosophy); Construct validity; Medicine; External validity; Systematic review; MEDLINE; Computer science; Psychometrics; Statistics; Mathematics

Materias / palabras clave: Schedule for Affective Disorders and Schizophrenia; Inter-rater reliability; Medical diagnosis; Psychology; Psychiatry; Clinical psychology; Schizophrenia (object-oriented programming); Anxiety; Rating scale; Test validi...

The CES-D scale is a short self-report scale designed to measure depressive symptomatology in the general population. The items of the scale are symptoms associated with depression which have been used in previously vali...

BACKGROUND: In 1986, the European Organization for Research and Treatment of Cancer (EORTC) initiated a research program to develop an integrated, modular approach for evaluating the quality of life of patients participa...

We examine and refine the Fagerström Tolerance Questionnaire (FTQ: Fagerström, 1978). The relation between each FTQ item and biochemical measures of heaviness of smoking was examined in 254 smokers. We found that the n...

Existe suficiente evidencia de que el apoyo que entrega la familia, especialmente los padres, previene la aparicin de sintomatologa en adolescentes que han sufrido abuso sexual. No obstante, el estudio del rol que juega ...

Materias / palabras clave: Medicine; Patient Health Questionnaire; Depression (economics); Medical diagnosis; Mental health; Criterion validity; Construct validity; Psychometrics; Psychiatry; Physical therapy; Depressive symptoms; Clinical psychol...

Materias / palabras clave: Pittsburgh Sleep Quality Index; Sleep (system call); Medicine; Physical therapy; Clinical Practice; Sleep onset latency; Internal consistency; Sleep quality; Psychiatry; Psychology; Clinical psychology; Psychometrics

The variable results of positive-negative research with schizophrenics underscore the importance of well-characterized, standardized measurement techniques. We report on the development and initial standardization of the...

A novel behavioural screening questionnaire, the Strengths and Difficulties Questionnaire (SDQ), was administered along with Rutter questionnaires to parents and teachers of 403 children drawn from dental and psychiatric...

Cronbach’s alpha is a statistic commonly quoted by authors to demonstrate that tests and scales that have been constructed or adopted for research projects are fit for purpose. Cronbach’s alpha is regularly adopted i...

Abstract A scale designed to assess various aspects of the burnout syndrome was administered to a wide range of human services professionals. Three subscales emerged from the data analysis: emotional exhaustion, deperson...

Materias / palabras clave: DASS; Psychology; Anxiety; Beck Depression Inventory; Beck Anxiety Inventory; Irritability; Clinical psychology; Depression (economics); Confirmatory factor analysis; Psychometrics; Psychiatry; Structural equation modeli...

Materias / palabras clave: Hospital Anxiety and Depression Scale; Anxiety; Psychology; Discriminant validity; Rating scale; Depression (economics); Cronbach's alpha; Population; Psychiatry; Clinical psychology; Psychometrics; Medicine

We study recently developed nonparametric methods for estimating the number of missing studies that might exist in a meta-analysis and the effect that these studies might have had on its outcome. These are simple rank-ba...