Search Results - "Lubiano, María Asunción"

On some properties of Cronbach’s α coefficient for interval-valued data in questionnaires by García-García, José, Gil, María Ángeles, Lubiano, María Asunción

“…Abstract Along recent years, interval-valued rating scales have been considered as an alternative to traditional single-point psychometric tools for human…”
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Fuzzy Rating Scale-Based Questionnaires and Their Statistical Analysis by de la Rosa de Saa, Sara, Gil, Maria Angeles, Gonzalez-Rodriguez, Gil, Lopez, Maria Teresa, Lubiano, Maria Asuncion

“…The fuzzy rating method has been introduced in psychometric studies as a tool, which allows the capture of and accurate reflection of the diversity,…”
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Descriptive analysis of responses to items in questionnaires. Why not using a fuzzy rating scale? by Lubiano, María Asunción, de la Rosa de Sáa, Sara, Montenegro, Manuel, Sinova, Beatriz, Gil, María Ángeles

“…In evaluating aspects like quality perception, satisfaction or attitude which are intrinsically imprecise, the fuzzy rating scale has been introduced as a…”
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Hypothesis testing for means in connection with fuzzy rating scale-based data: algorithms and applications by Lubiano, María Asunción, Montenegro, Manuel, Sinova, Beatriz, de la Rosa de Sáa, Sara, Gil, María Ángeles

“…•We review and update one/multi-sample testing hypothesis about means of fuzzy data.•We detail the algorithms for testing and particularize them to trapezoidal…”
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Location-Free Robust Scale Estimates for Fuzzy Data by de la Rosa de Saa, Sara, Lubiano, Maria Asuncion, Sinova, Beatriz, Gil, Maria Angeles, Filzmoser, Peter

“…In analyzing fuzzy-valued imprecise data statistically, scale measures/estimates play an important role. Scale measures/estimates of data sets are often…”
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A hypothesis testing-based discussion on the sensitivity of means of fuzzy data with respect to data shape by Lubiano, María Asunción, Salas, Antonia, Gil, María Ángeles

“…In assessing fuzzy numbers to model imprecise data associated with random experiments, trapezoidal fuzzy numbers are often considered. Such an assessment is…”
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Fuzzy rating scales: Does internal consistency of a measurement scale benefit from coping with imprecision and individual differences in psychological rating? by Lubiano, María Asunción, García-Izquierdo, Antonio L., Gil, María Ángeles

“…•The use of fuzzy rating scales to capture imprecision and individual differences.•The extension of Cronbach?s alpha for fuzzy scale-based items.•Influence of…”
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Two-sample hypothesis tests of means of a fuzzy random variable by Montenegro, Manuel, Casals, Marı́a Rosa, Lubiano, Marı́a Asunción, Gil, Marı́a Angeles

“…In this paper we will consider some two-sample hypothesis tests for means concerning a fuzzy random variable in two populations. For this purpose, we will make…”
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Hypothesis testing-based comparative analysis between rating scales for intrinsically imprecise data by Lubiano, María Asunción, Salas, Antonia, Carleos, Carlos, de la Rosa de Sáa, Sara, Gil, María Ángeles

“…In previous papers, it has been empirically proved that descriptive (summary measures) and inferential conclusions (in particular, tests about means p-values)…”
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The fuzzy characterizing function of the distribution of a random fuzzy number by Sinova, Beatriz, Casals, María Rosa, Gil, María Ángeles, Lubiano, María Asunción

“…Characterizing the distribution of random elements is valuable for different purposes. Among them, inferential conclusions about the population distribution…”
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K-sample tests for equality of variances of random fuzzy sets by Ramos-Guajardo, Ana Belén, Lubiano, María Asunción

“…The problem of testing equality of variances often arises when distributions of random variables are compared or linear models between them are considered. The…”
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Robust scale estimators for fuzzy data by de la Rosa de Sáa, Sara, Lubiano, María Asunción, Sinova, Beatriz, Filzmoser, Peter

“…Observations distant from the majority or deviating from the general pattern often appear in datasets. Classical estimates such as the sample mean or the…”
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Analyzing data from a fuzzy rating scale-based questionnaire. A case study by Gil, María Ángeles, Lubiano, María Asunción, de la Rosa de Sáa, Sara, Sinova, Beatriz

“…The fuzzy rating scale was introduced to cope with the imprecision of human thought and experience in measuring attitudes in many fields of Psychology. The…”
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Bertoluzza et al.’s metric as a basis for analyzing fuzzy data by Casals, María Rosa, Corral, Norberto, Gil, María Ángeles, López, María Teresa, Lubiano, María Asunción, Montenegro, Manuel, Naval, Gloria, Salas, Antonia

“…Since Bertoluzza et al.’s metric between fuzzy numbers has been introduced, several studies involving it have been developed. Some of these studies concern…”
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Least squares fitting of an affine function and strength of association for interval-valued data by GIL, Maria Angeles, LUBIANO, Maria Asuncion, MONTENEGRO, Manuel, LOPEZ, Maria Teresa

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sample tests for equality of variances of random fuzzy sets by Ramos-Guajardo, Ana Belen, Lubiano, Maria Asuncion

“…The problem of testing equality of variances often arises when distributions of random variables are compared or linear models between them are considered. The…”
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The [formula omitted]-mean squared dispersion associated with a fuzzy random variable by Lubiano, Marı́a Asunción, Gil, Marı́a Angeles, López-Dı́az, Miguel, López, Marı́a Teresa

“…In this paper we introduce a parameterized real-valued measure of the mean dispersion of a fuzzy random variable with respect to an arbitrary fuzzy number…”
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