41 research outputs found
Early Childhood Teachers’ Competence to Evaluate Children’s Mathematical Skills
This study examined German early childhood teachers’ absolute and relative judgment accuracy with respect to the mathematical skills of the children under their supervision. The two types of judgment accuracy are crucial prerequisites for pacing activities in early childhood education and offering differentiated activities adapted to children’s individual skill levels. Data from 39 early childhood teachers and 268 children were analyzed using multilevel modeling. Teachers rated children’s skills on a structured observation instrument (“Kinder Diagnose Tool”, KiDiT). Children were assessed on their mathematical skills with a standardized test (“Mathematische Basiskompetenzen im Kindesalter”, MBK-0). On average, 65% of the variation in teachers’ judgments on the KiDiT could be explained by children’s MBK-0 scores which suggests that teachers are – on average – well able to rank children within their groups. Teachers were also able to judge the mathematical level of children’s skills as assessed by the MBK-0. Neither teachers’ mathematical content knowledge (MCK), nor their mathematics pedagogical content knowledge (MPCK) or their general pedagogical knowledge (GPK) moderated the relationship between teachers’ judgments and children’s test scores or the relationship between the level of the judgments and the level of test scores. Conclusions for future research and practice are drawn
Within- and Between-Persons Effects of Self-Esteem and Affective State as Antecedents and Consequences of Dysfunctional Behaviors in the Everyday Lives of Patients With Borderline Personality Disorder
Dysfunctional behaviors are conceptualized as maladaptive affective coping attempts in borderline personality disorder (BPD). The recent benefits-and-barriers model extended the affective function assumption by adding self-esteem as a barrier to engaging in dysfunctional behaviors. Patients with BPD (N = 119) carried e-diaries to report their current selfesteem, emotional valence, tense arousal, and whether they engaged in dysfunctional behaviors 12 times a day for 4 days. Dynamic structural equation modeling revealed that on the within-person level, high momentary negative affect predicted dysfunctional behaviors, and on the between-person level, low trait self-esteem predicted dysfunctional behaviors. We also found an association between engaging in dysfunctional behaviors and momentary self-esteem and trait levels of valence and tense arousal. Moreover, our results indicate a deterioration of, rather than relief from, negative affective state after dysfunctional behaviors. These findings highlight the importance of emotion-regulation skills and reestablishing a positive self-view as important treatment targets to reduce dysfunctional behaviors in BPD
Discontinuous Change Models
This repository contains the R-syntax for the contribution "Modeling Discontinuous Change with Hierarchical Linear Models"
A probabilistic measurement model for the assessment of intraindividual variability
In der vorliegenden Arbeit wird ein probabilistisches Item-Response-Modell zur
Erfassung von intraindividueller Variabilität in multivariaten, diskreten
Zeitreihen generiert. Manifester Indikator der Variabilität ist die mittlere
absolute Differenz auf den Items (MASD). Potentielles Anwendungsgebiet ist die
Skalierung von intraindividueller Variabilität im Rahmen von Ambulatory
Assessments. Im Theorieteil werden einige Theorien zur intraindividuellen
Variabilität dargelegt und der Modellierungshintergrund von Rasch zur
Erzeugung von probabilistischen Testmodellen und die Maximum-Entropie-Methode
zur Modellgenerierung werden gegenübergestellt. Es wird gezeigt, wie gängige
Testmodelle, wie das dichotome Rasch-Modell, das Partial-Credit-Modell und das
bedingte Rasch-Modell aus der Anwendung der Methode resultieren. Im Teil zur
Modellentwicklung wird die Maximum-Entropie-Methode angewendet, um ein neues
IRT-Modell zur Erfassung intraindividueller Variabilität auf Basis
sukzessiver, absoluter Differenzen in Zeitreihen zu generieren. Es resultiert
ein Modell, dass einen Markov-Prozess erster Ordnung abbildet, wobei die
manifeste Variabilität durch einen personenbezogenen, latenten Parameter
bestimmt wird. Die Eigenschaften des Modells werden untersucht, indem die
vorhergesagten Wahrscheinlichkeiten, die Item-Response-Kurven und die
Likelihood-Funktion dargestellt werden. Anhand der Likelihood-Funktion zeigt
sich, dass das Modell suffiziente Statistiken zur Schätzung der Parameter
besitzt. Um die Bewertung der Modellpassung auf der Basis von standardisierten
Residuen zu ermöglichen, werden die Erwartungswerte und die Varianz der
manifesten Variable unter dem Modell hergeleitet. Die Eigenschaften der
latenten Trait-Skala des Modells werden anhand der Bildung der Logits der
Kategorien-Wahrscheinlichkeiten untersucht. Es zeigt sich, dass das Modell auf
einer Differenzen-Skala misst. Der Zusammenhang zwischen der manifesten
Variable und der Trait-Skala sowie der empirische Bias und die empirische
Varianz der MCMC-Parameterschätzer werden simulativ untersucht. Es zeigt sich,
dass die latente Trait-Skala in einem monotonen Verhältnis zu der Variabilität
in den manifesten Zeitreihen steht. In nicht-extremen Regionen der Trait-Skala
ist der Bias relativ gering und die Varianz der Schätzer steigt in
Extrembereichen der Trait-Skala. Die Ergebnisse der simulativen Untersuchung
des Bias und der Varianz sind mit gängigen Ergebnissen zu Rasch-Modellen
kompatibel. Auf Basis der Ergebnisse der Modellentwicklung wird geschlossen,
dass es sich bei dem generierten Modell um ein Rasch-Modell handelt und die
Maximum-Entropie-Methode verwendet werden kann, um neue, probabilistische,
psychometrische Modelle zu generieren. Zur Bewertung der Reliabilität wird die
Andrich-Reliabilität vorgeschlagen. Im Anwendungteil der Arbeit wird das
Modell auf Daten angewendet, die im Rahmen eines Ambulatory Assessments zur
Affektregulation von Crayen et al. (in Druck) mit einer Kurzform des
Mehrdimensionalen Befindlichkeitsfragebogens (Steyer et al., 1997) angefallen
sind. Es wird ĂĽberprĂĽft, ob das Modell zur Bewertung intraindividueller
Variabilität auf reale Daten angewendet werden kann. Anhand der
standardisierten Residuen des Modells zeig sich, dass das Modell relativ gut
passt. Die Andrich-Reliabilität für alle drei Skalen ist relativ hoch, was
darauf hindeutet, dass die intraindividuelle Variabilität auf den drei Skalen
des MDBF reliabel erfasst wird. Die individuellen Variabilitäts-Parameter der
drei Skalen sind hoch miteinander korrelieren, ein Ergebnis, dass mit
demjenigen von Eid und Diener (1999) zur Affekt-Variabilität kompatibel ist.
Die Korrelationen der Variabilitäts-Parameter mit der manifesten Variabilität
ist hoch, was darauf hindeutet, dass die Parameter die manifeste Variabilität
in den Zeitreihen abbilden. Die Korrelation der Variabilitäts-Skalen und der
manifesten Indikatoren der Variabilität mit drei Skalen des NEO-FFI
(Neurotizismus, Extraversion und Gewissenhaftigkeit) zeigte jedoch keine
deutlichen, signifikanten Zusammenhänge, was darauf hindeutet, dass die
Variabilität der Skalen des MDBF in der Stichprobe etwas spezifisch anderes
erfasst als die drei Skalen des NEO-FFI.The present thesis focuses on the development of an item response model for
the assessment of intraindividual variability in multivariate, discrete time
series based on the mean absolute successive difference of the time-series. A
potential application of the model is the scaling of intraindividual
variability in ambulatory assessments. In the theoretical part some current
theories with regard to intraindividual variability are presented and the IRT-
modeling framework by Rasch and the maximum entropy method for model
construction are discussed. It is shown that well known IRT-models, such as
the dichotomous Rasch model, the partial credit model and the conditional
Rasch model can be obtained by applying the maximum entropy modeling
framework. Then the maximum entropy modeling framework is applied to the
problem of generating a new psychometric model for the assessment of
intraindividual variability based on absolute successive differences in
multivariate, discrete time series. The resulting model describes a first
order markov process that is governed by a latent trait parameter. The
properties of the resulting model are described by examining the predicted
category response probabilities, the item characteristic curves and the
likelihood function. An detailed examination of the likelihood function
reveals that the model features sufficient statistics for parameter
estimation. To allow for the assessment of model fit by standardized
residuals, the expectations and the variance of the expected responses under
the model are derived. To clarify the measurement structure of the model, the
logits of adjacent response categories are examined. It is found that the
model captures intraindividual variability on a difference scale. The
relationship between the latent trait scale and the manifest variability of
the responses are examined by simulation. The simulation showed a monotonous
relationship between the variability of the manifest variables and the latent
trait scale. A simulative examination of the MCMC-estimators' empirical bias
and variance indicated that bias is relatively small in non extreme regions of
the trait scale. The variance of the estimators increases in extreme regions
of the trait scale. These results are in accordance with known results for
Rasch models. It is concluded that the generated model is a Rasch model and
that the maximum entropy framework can be used to generate new probabilistic
psychometric models. It is proposed to assess measurement reliability by
Andrich's method and to examine model fit based on standardized residuals. The
model's practical applicability is examined based on a longitudinal ambulatory
assessment data set for the study of affect regulation by Crayen et al. (in
press). The generated model is applied to a short form of the multidimensional
mood questionnaire (MDBF) (Steyer et al., 1997) with the aim to check if the
model could be used to measure mood variability in ambulatory assessment
studies. The model shows overall good fit based on standardized residuals and
good reliability of measurement based on Andrich's reliability coefficient. It
is concluded that the model is capable of reliably differentiating individuals
with regard to intraindividual variability on a latent scale. The three sub-
scales of the MDBF were highly intercorrelated. To otain first hints with
regard to validity, the variability parameters were correlated with three
scales of the NEO-FFI (neuroticism, extraversion and conscientiousness). The
model's latent variability parameters were highly intercorrelated with the
manifest variability in the time series. However, there were no pronounced
correlations between the variability scales and the three avaliable scales of
the NEO-FFI. The same counts for the manifest variability in the time series
Development of the Aesthetic Emotions Scale (AESTHEMOS)
Despite a long-standing scientific interest in aesthetic emotions, we still are lacking an assessment tool to capture the broad range of emotions involved in aesthetic experiences across different domains. Elicitors of aesthetic emotions are not limited to the arts in the strict sense but extend to design, built environments, and nature. This project is devoted to the development of a questionnaire that is applicable across many of these domains: the Aesthetic Emotions Scale (AESTHEMOS). Based on theoretical accounts of aesthetic emotions and an extensive review of extant measures of aesthetic emotions within specific domains like music, literature, film, painting, advertisement, design, and architecture, we arrived at an item set to study aesthetic emotions. In a field study, we tested 75 items and selected items to be included in the first version of our new assessment tool. It contains 21 subscales with two items each, designed to assess the emotional signature of an aesthetic experience in a highly differentiated manner. These encompass prototypical aesthetic emotions (e.g., the feeling of beauty, being moved, fascination, and awe), epistemic emotions (e.g., interest and insight), and emotions indicative of amusement (humor and joy). In addition, the AESTHEMOS subscales capture both activating (energy and vitality) and calming (relaxation) effects of aesthetic experiences and negative emotions that may contribute to aesthetic displeasure (e.g., the feeling of ugliness, boredom, and confusion)
Conceptualizing and Measuring Aesthetic Emotions
An aesthetic experience is not merely a cognitive process but also involves feelings. Therefore, the empirical study of this type of experience requires conceptualization and measurement of aesthetic emotions. The aim of this project is to increase our understanding of the nature of aesthetic emotions and to develop assessment tools that allow for their encompassing yet parsimonious measurement. Thus far, we have conducted two projects to accomplish this. The study "Conceptual Space of Aesthetic Emotions" employed the pile-sort methodolgy to map the conceptual domain of aesthetic emotions. The ongoing project "Development of the Aesthetic Emotions Scale (AESTHEMOS)" is devoted to creating a new assessment tool for aesthetic emotions that is applicable across different aesthetic domains
Questionnaire Examples of AESTHEMOS
Presents examples of the AESTHEMOS questionnaire in German and Englis
Path Models of Vocal Emotion Communication
We propose to use a comprehensive path model of vocal emotion communication, encompassing encoding, transmission, and decoding processes, to empirically model data sets on emotion expression and recognition. The utility of the approach is demonstrated for two data sets from two different cultures and languages, based on corpora of vocal emotion enactment by professional actors and emotion inference by naive listeners. Lens model equations, hierarchical regression, and multivariate path analysis are used to compare the relative contributions of objectively measured acoustic cues in the enacted expressions and subjective voice cues as perceived by listeners to the variance in emotion inference from vocal expressions for four emotion families (fear, anger, happiness, and sadness). While the results confirm the central role of arousal in vocal emotion communication, the utility of applying an extended path modeling framework is demonstrated by the identification of unique combinations of distal cues and proximal percepts carrying information about specific emotion families, independent of arousal. The statistical models generated show that more sophisticated acoustic parameters need to be developed to explain the distal underpinnings of subjective voice quality percepts that account for much of the variance in emotion inference, in particular voice instability and roughness. The general approach advocated here, as well as the specific results, open up new research strategies for work in psychology (specifically emotion and social perception research) and engineering and computer science (specifically research and development in the domain of affective computing, particularly on automatic emotion detection and synthetic emotion expression in avatars)