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Individualization can be defined as the adaptation of instructional parameters to relevant characteristics of a specific learner. This definition raises several questions, however: Which characteristics are actually relevant? Which parameters of instruction need to be adjusted, and in which way, to positively interact with those characteristics? In a classroom context, additional questions arise: how can information about the relevant learner characteristics be delivered to the teacher? How can individualized instruction be delivered to each learner in a context that has originally been designed for whole-class instruction? By focusing on the measurement and modelling of learner characteristics and instructional adaptations, this dissertation aims to provide an insight into each of these issues.
This dissertation is divided into two parts. The first part is concerned with the theoretical (Paper 1) and statistical (Paper 2) modeling of learner characteristics in the context of individualized instruction. The second part is concerned with the measurement (Paper 3) and implementation (Paper 4) of individualized instruction in the classroom context.
Paper 1 summarizes existing research on individualization from different research traditions. From this summary I derive the need for a dynamic conceptualization of learner characteristics (acknowledging that learners change during and in interaction with the learning process) and synthesize a dynamic framework that details the opportunities for individualization on three different timescales. Paper 2 reports results from an exploratory study that investigated the potential benefits of utilizing person-centered analysis for the assessment of multivariate learner prerequisites and their interaction with instruction. We found that latent profiles over several reading related abilities could explain differential effectiveness of self-reported teaching foci in German third grade reading lessons. These findings indicate not just a need for stronger individualization of teaching but also an advantage of multivariate conceptualizations of learner characteristics. Additionally, they show the utility of person-centered approaches for the investigation of such multivariate learner characteristics and their interaction with instruction.
In the second part, I investigate possible approaches to the implementation and measurement of individualization in a classroom context. Paper 3 investigates whether teacher-, student- and observer perspectives converge when rating the amount of individualization present in regular classroom instruction. We found considerable agreement between the perspectives, indicating a common understanding of the construct at the classroom level as well as providing some evidence for the validity of the used measurement instruments. Paper 4 replicates findings concerning the effectiveness of formative assessment procedures for fostering reading education, supplemented by a moderator analysis showing that only children with low performance at the beginning of the school-year profited from its implementation. This indicates that the information provided by formative assessment procedures helps teachers to identify struggling readers but does not seem to be utilized for adapting instruction to specific deficits of average or high performing children.
In sum, this dissertation contributes to research on individualized instruction by demonstrating necessary conditions for its effectiveness. It posits the need for a dynamic conceptualization of learner characteristics, demonstrates the advantage of multivariate learner profiles, and points out ways towards the successful implementation of individualized instruction in the classroom.
The purpose of this thesis was to investigate different aspects of the promotion of selfregulated learning in primary and secondary school education by focussing on its effectiveness, and on its assessment from different perspectives. Theoretically, the thesis is based on contemporary social-cognitive and constructivist theories of self-regulated learning. Two meta-analyses were conducted, an observation instrument was developed which was tested and employed in two observation studies, and a multi-method study was conducted to investigate different perspectives on the topic. Common to all studies is the evaluation of different aspects of the promotion of self-regulated learning among students. The results of this investigation are reported in four research articles (Studies 1-4), which have been accepted for publication (Study 1 and 2) or submitted to scientific peer reviewed journals (Study 3 and 4). The data are analyzed by applying a multi-method approach, using several sources of data (primary studies, self-reports, video data, interviews) and diverse methods (meta-analysis, observation analysis, survey analysis). The present data generally indicate that self-regulated learning can be enhanced both at primary and secondary school. The results of the first and the second study showed that primary and secondary school students partly benefit from different training characteristics. However, there were also common aspects of effective training characteristics that hold for both school levels. Moreover, the third study revealed that it was possible to develop an instrument to observe teachers’ promotion of self-regulated learning in a reliable way, which can be applied in several contexts. The results indicated that the stability of teachers’ promotion of selfregulated learning varies among the school subjects. Furthermore, the results showed that only little instruction of self-regulated learning takes place in primary and secondary school mathematics lessons. Yet, secondary school teachers showed more promotion of cognitive strategies than primary school teachers did, although the former included more constructivist characteristics in the learning environment. The observation studies produced a rich pool of data, serving as pilot studies for future studies with a larger sample sizes that are needed to further strengthen the results. As the fourth study indicated, teacher ratings differ significantly from video-based observations in perceiving their promotion of self-regulated learning. However, for some aspects they agree with their students’ perception. Finally, it was found that students’ perception on their teachers’ promotion of self-regulated learning had the highest impact on their self-regulation competence. In the future, it will be crucial to include the instruction of self-regulated learning from a theoretical and a practical perspective in the teacher training curriculum. Moreover, in future research the implementation of the promotion of self-regulated learning should be investigated, and in experimental settings different ways of supporting such an implementation should be examined. A close collaboration with teachers would be helpful to get deeper insights into teachers’ behaviour and attitudes. The promotion of self-regulated learning should start as early as in primary school as students are already able to learn it then and as it takes many years to develop it fully. In addition, when investigating teachers’ promotion of self-regulated learning, the school subject should be taken into account during assessment. Long-term measurements could acknowledge such a potential instability. Moreover, in further studies, observation data of a large sample of teachers should be gathered in order to get a representative overview of teachers’ promotion of self-regulated learning. Furthermore, research on the promotion of self-regulated learning should account for the impact of students’ perspectives referring on this.