Die Onlineplattform Levumi bietet vier adaptive Förderkonzepte unter dem Titel „Levumis Leseabenteuer“ zur Steigerung der Leseflüssigkeit und des basalen Leseverständnisses in der Grundschule an. In dem vorliegenden Dokument befinden sich alle Vorbereitungs- und Unterrichtsmarialien zum Leseabenteuer „Levumi, Malini und das verhexte Dorf“. Die fachliche Einleitung sowie ein Überblick zu den anderen drei Leseabenteuern ist unter http://dx.doi.org/10.17877/DE290R-20992 zu finden und kann dort k...

In Deutschland erwerben aktuell knapp 20% Grundschülerinnen und Grundschüler unzureichende Lesekompetenzen, sodass das Lernen in der Sekundarstufe beeinträchtigt wird. Forschende fordern für Schülerinnen und Schüler mit einem Risiko zur Ausbildung von Leseschwierigkeiten eine präventive Leseförderung, die an individuellen Lernbedürfnissen ansetzt. Ein möglicher Ansatz ist die Lernverlaufsdiagnostik (LVD). Allerdings stehen für den deutschen Grundschulleseunterricht reliable Lernverlaufstests ...

This dissertation examines the Strengths and Difficulties Questionnaire (SDQ) in German classrooms. In doing so, the factor structure of the SDQ was found sufficiently similar to established 5- and 3- factor models. In the three included articles, longitudinal changes in SDQ performance are examined, and the SDQ is connected to student performance (i.e., grades and competency) and the Perception of Inclusion Questionnaire (PIQ). This establishes not only a validation of the structure of the S...

Synchrotron radiation sources have become an essential part of modern science. The ongoing development to reach higher performance levels with improved quality of synchrotron light demands upgrades of current synchrotron radiation facilities or even construction of new accelerators. During this process, new challenges, both technological and in the accelerator physics, need to be addressed to achieve a higher light quality in terms of brightness, coherence, pulse duration, etc. This includes ...

The estimation of covariance operators of spatio-temporal data is in many applications only computationally feasible under simplifying assumptions, such as separability of the covariance into strictly temporal and spatial factors. Powerful tests for this assumption have been proposed in the literature. However, as real world systems, such as climate data are notoriously inseparable, validating this assumption by statistical tests, seems inherently questionable. In this paper we present an alt...

Initializing quantum registers with high fidelity is a fundamental precondition for many applications like quantum information processing and sensing. The electronic and nuclear spins of a Nitrogen-Vacancy (NV) center in diamond form an interesting hybrid quantum register that can be initialized by a combination of laser, microwave, and radio-frequency pulses. However, the laser illumination, which is necessary for achieving electron spin polarization, also has the unwanted side-effect of dep...

Die Onlineplattform Levumi bietet vorrangig Tests zur Lernverlaufsdiagnostik in den Lernbereichen Lesen, Rechtschreiben, Mathematik und dem Bereich Verhalten und Empfinden an (Jungjohann, Diehl, Mühling & Gebhardt, 2018). Im Lernbereich Lesen kann die Entwicklung der Leseflüssigkeit sowie des basalen Leseverständnisses beobachtet werden (Jungjohann, Mau, Diehl & Gebhardt, 2019). Als Ergänzung werden zur Förderung vier adaptive Förderkonzepte unter dem Titel „Levumis Leseabenteuer“ zur Steiger...

It is an open question if the threshold condition θ < θ_* for the Dörfler marking parameter is necessary to obtain optimal algebraic rates of adaptive finite element methods. We present a (non-PDE) example fitting into the common abstract convergence framework (axioms of adaptivity) and which is potentially converging with exponential rates. However, for Dörfler marking θ > θ_* the algebraic converges rate can be made arbitrarily small.

The paper is concerned with an optimal control problem governed by the rate-independent system of quasi-static perfect elasto-plasticity. The objective is optimize the displacement field in the domain occupied by the body by means of prescribed Dirichlet boundary data, which serve as control variables. The arising optimization problem is nonsmooth for several reasons, in particular, since the control-to-state mapping is not single-valued. We therefore apply a Yosida regularization to obtain a ...

The determination of an optimal design for a given regression problem is an intricate optimization problem, especially for models with multivariate predictors. Design admissibility and invariance are main tools to reduce the complexity of the optimization problem and have been successfully applied for models with univariate predictors. In particular several authors have developed sufficient conditions for the existence of saturated designs in univariate models, where the number of suppor...

This paper is concerned with necessary optimality conditions for optimal control problems governed by variational inequalities of the second kind. So-called strong stationarity conditions are derived in an abstract framework. Strong stationarity conditions are regarded as the most rigorous ones, since they imply all other types of stationarity concepts and are equivalent to purely primal optimality conditions. The abstract framework is afterwards applied to four application-driven exa...

For better understanding and optimization of multiphase flow in miniaturized devices, micro‐computed tomography (μCT) is a promising visualization tool, as it is nondestructive, three‐dimensional, and offers a high spatial resolution. Today, computed tomography (CT) is a standard imaging technique. However, using CT in microfluidics is still challenging, since X‐ray related artifacts, low phase contrast, and limited spatial resolution complicate the exact localization of interfaces. We apply ...

Die Einführung einer nationalen CO2-Bepreisung ab dem Jahr 2021 ist beschlossene Sache: In den Sektoren Verkehr und Wärme soll ein nationales Emissionshandelssystem etabliert werden, in dem die CO2-Preise in den Jahren 2021 bis 2025 fixiert sind und beginnend mit 25 Euro je Tonne sukzessive ansteigen. Dies bringt höhere Kostenbelastungen für die Verbraucher mit sich. Um dennoch eine breite Akzeptanz für eine CO2- Bepreisung zu gewinnen, wäre ein vielversprechender Ansatz, die daraus resu...

The extension of simplicial depth to robust regression, the so-called simplicial regression depth, provides an outlier robust test for the parameter vector of regression models. Since simplicial regression depth often reduces to counting the subsets with alternating signs of the residuals, this led recently to the notion of sign depth and sign depth test. Thereby sign depth tests generalize the classical sign tests. Since sign depth depends on the order of the residuals, one generally ass...

Cities are a hotspot for resource consumption and related impacts. This is induced, among others, by transportation, production and the use of products and services. Industrial production is commonly associated with negative impacts, e.g. on the environment or traffic. Through positive integration of production sites into urban surroundings, negative impacts can be eliminated, and even positive impacts achieved. To reach a higher degree of integration of different u...

Two types of imidazole ligands were introduced both at the end of tetramolecular and into the loop region of unimolecular DNA G‐quadruplexes. The modified oligonucleotides were shown to complex a range of different transition‐metal cations including NiII, CuII, ZnII and CoII, as indicated by UV/Vis absorption spectroscopy and ion mobility mass spectrometry. Molecular dynamics simulations were performed to obtain structural insight into the investigated systems. Variation of ligand number and ...