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  • 1
    Type of Medium: Unknown
    Pages: 217 S.
    ISBN: 9783706551373
    Series Statement: Lehr- und Lernforschung in der Biologiedidaktik Bd. 5
    Language: German
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  • 2
    ISSN: 1559-1816
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: In this paper, we contrast the value-belief-norm (VBN) model and the theory of planned behavior (TPB) for the first time regarding their ability to explain conservation behavior. The participants represent a convenience sample of 468 university students. Using survey data and adopting previously established compound measures, structural equation analyses revealed a remarkable explanatory power for both theories: TPB's intention accounted for 95% of people's conservation behavior and VBN's personal norms accounted for 64%. Compared to the VBN model, the TPB covered its concepts more fully in terms of proportions of explained variance. More importantly, the fit statistics revealed that only the TPB depicts the relations among its concepts appropriately, whereas the VBN model does not.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-1561
    Keywords: Larval cannibalism ; pyrrolizidine alkaloid ; chemical protection ; population density ; Utetheisa ornatrix
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract This study suggests that alkaloid deficiency inUtetheisa (Lepidoptera: Arctiidae) is a main cause of cannibalism; moreover, cannibalism can be predicted on the basis of alkaloid deficiency and of systemic alkaloid accumulation. This chemical plays a central role in the life of this species, because, first, it provides acquired chemical protection from potential predators, and, second, it determines mating success (as the alkaloid is an essential precursor of the male pheromone). Consequently, losers in the larval sequestering of alkaloids, which would result in a lack of chemical protection and in decreased mating success, tend to target conspecific winners, which are normally substantially protected against a variety of predators; by cannibalizing those accumulated alkaloid sources the losers tend to become the winners of cannibalistic encounters while making up their shortfall of these chemicals. What is a presumptive advantage in selection under high predation pressures and/or high alkaloid availabilities could become a disadvantage under high conspecific population densities and shortages of alkaloid supplies for larval uptake. Cannibalism may be expected to have general ecological importance in the evolutionary play ofUtetheisa and may contribute to a balanced regulation of the acquired alkaloid contents in these arctiid populations.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-2991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Description / Table of Contents: Résumé Le but de la présente étude est la réalisation d'un système de mesure pour l'évaluation de différents niveaux de conscience par rapport à la nature et à la protection de l'environnement, ainsi que des comportements actuels ou envisagés. Le système de mesure s'appuie sur un questionnaire à choix multiples pour évaluer les différents facteurs qui déterminent les niveaux de conscience et les comportements correspondants chez les adolescents de 10 à 16 ans. Dans le cadre du modèle à trois niveaux, qui comprend des composantes cognitives, affectives et comportementales, un grand nombre d'items, en partie issus d'études antérieures, ont été sélectionnés pour former les sous-catégories nécessaires. La configuration des catégories a été garantie par une analyse factorielle. Sur la base des réponses d'environ 2000 élèves, des sous-catégories ont été définies, qui vont depuis les positions de départ jusqu'au comportement actuel. En outre, nous avons défini les coefficients de corrélation, ainsi que les valuers Cronback-Alpha, et une analyse des régressions a été effectuée, qui prend en compte les influences, par exemple, des variables sociodémographiques comme le sexe et l'âge, des résultats scolaires ou de la manière dont l'école est perçue par chacun. La présente étude représente la base aussi bien pour des investigations comparatives entre pays, que pour l'évaluation de l'influence d'un enseignement extra-scolaire adopté.
    Notes: Summary The object of this study was to construct a measurement instrument to assess two different environmental world views of adolescents and, additionally, to address the adolescents' verbal commitment and actual behaviour. Using a multiple-choice questionnaire the instrument was designed to identify and measure the existing factors that underlie concern for ecological/environmental problems and behaviour towards environment/nature in the age group of 10 to 16 year old pupils. Within the traditional tripartite model covering cognitive, affective and behavioural components the study selected items that made up the majority of corresponding subscales from various previous studies. Using factor analysis the configuration of the scale's dimensionality was stated. Based on the responses of approximately 2000 Bavarian pupils, subscales were extracted via factor analysis and, subsequently, addressed to different segments of environmental concern ranging from attitudes to verbal commitment and actual behaviour. Correlation coefficients and the standardized Cronbach's α-values were also surveyed. Additionally, a Kruskal-Wallis analysis was applied in order to locate the subscales' influences on sociodemographic variables such as gender and age and self-reported variables such as the pleasure of being a pupil and school performance. The further purpose of the present study is to provide the basis for follow-up comparisons of preferences and values in pupils within other countries.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    The environmentalist 18 (1998), S. 27-38 
    ISSN: 1573-2991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The present study deals with the evaluation of environmental/ecological perceptions of secondary school pupils. It has two major objectives. Firstly, to administer a measurement instrument to explore ecological/environmental perceptions for a sample of approximately 900 Irish secondary school pupils aged between 12 and 16 years. The operation and use of three subscales, ‘environmental behaviour’, ‘utilization of nature’ and ‘consideration for conservation’, was based on a previous study undertaken in Bavaria, but its structure, dimensionality and reliability was further assessed using psychometric procedures. Secondly, the study monitored the differences in these dimensions between Irish and Bavarian pupils. Common items within the subscale structure were selected from both samples to form a truncated item selection and to function subsequently as the basis for the final factor analysis applied to the combined Irish–Bavarian sample. Comparisons on this basis indicated substantial differences in attitudes and environmental behaviour between pupils from both regions: the Irish sample favoured less conservational values, but more patronage for the utilization of nature and it revealed less willingness to take and plan action in individual environmental behaviour. In addition, the Irish sample disclosed a significantly greater gender difference in the two subscales.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1573-2991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This paper investigates the relationship between pupils' environmental perception (in terms of preservation and utilisation of nature) and personality (in terms of risk-taking). 713 secondary school pupils in Switzerland were investigated. Environmental perception was assessed via three factors: ‘Preservation’, ‘Utilisation of Nature’ and ‘Consideration for Conservation’. Risk-taking was evaluated via six factors: ‘Positive Risking’, ‘Ambivalence’, ‘Thrill in Gambling’, ‘Ineffective Control’, ‘Effective Control’, and ‘Anger Reaction’. Analysis of the correlation matrix between ‘Risk-taking’ and ‘Environmental perception’ revealed three profiles (‘types’): the high scorer on ‘Preservation’ is the controlled and cautious gambler. The ‘Utiliser’ (anthropocentric) profile is essentially a mirror image of the first: the ‘Utiliser’ does not enjoy unpredictable risks, reacts with anger when risks fail and has little control over his/her own risk-taking behaviour. The ‘Consideration for Conservation’ (ecocentric) profile assumes a position between these two profiles.
    Type of Medium: Electronic Resource
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  • 7
    Publication Date: 2018-07-27
    Description: Our research objectives focussed on monitoring (i) students' activities during experimental teaching phases in an out-of-school gene technology lab; (ii) potential relationships with variables such as work group size and cognitive achievement. Altogether, we videotaped 20 work groups of A-level 12th graders (N = 67) by continuous recording of their lab-work phases. Subsequent analysis revealed nine categories characterizing the students' most relevant activities. Intra- and inter-observer objectivity as well as reliability scores confirmed the good fit of this categorization. Based on the individual time budgets generated, we extracted four clusters derived from students' prevalent activities. A cross-tabulation of two cluster analysis methods independently used showed a high level of agreement. Clusters were labelled as (i) 'all-rounders' (members of which applied similar portions of time to the main activities), (ii) 'observers' (members' dominating activity focussed on in-group observation of the lab-work), (iii) 'high-experimenters' (members predominantly engaged in specific hands-on activities), and (iv) 'passive students' (members mainly engaged in activities with no experimental relation). Particularly, we found members of clusters 1 and 2 in four-person work groups while members of clusters 3 and 4 were prevalent in three-person groups. During the educational intervention, students of all clusters improved their cognitive achievement on a short-term and a long-term schedule. However, only the 'all-rounders' revealed a high level of persistent (long-term) knowledge with no decrease rate at all. We draw conclusions with respect to work group sizes as well as to organisational aspects of experimental lessons.
    Keywords: Secondary education ; Education ; Sekundarbildung ; Bildung und Erziehung ; biotechnology education; video analysis; hands-on experiments; out-of-school learning ; Secondary Education Sector Upper Level ; Curriculum, Teaching, Didactics ; Bildungswesen Sekundarstufe II ; Unterricht, Didaktik
    Type: journal article , Zeitschriftenartikel
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  • 8
    Publication Date: 2018-07-27
    Description: The study investigated cognitive and motivational effects of two educational interventions, a conventional versus a student-oriented approach. We monitored the impact on the cognitive achievement outcome and the motivation of students. Both approaches dealt with the subject of birds and bird flight; the student-oriented approach consisted of a unit based on workstations, the conventional one was taught in a more teacher-centred manner. 326 secondary school pupils of the highest stratification level participated in this study. By using a pre-, post- and retention-test design, both approaches were evaluated with the same empirical batteries (by applying a cognitive item set and the 'Intrinsic Motivation Inventory'). The conventional approach provided higher achievement scores whereas the student-oriented approach showed a higher motivational rating. Comparing the student-oriented approach with and without introduction, the group with introduction attained higher achievement scores. The results are discussed in terms of general expectations about the cognitive outcome in open learning environments and self-determination theory. Educational implications are drawn concerning the implementation of learning at workstations in school curricula.
    Keywords: Psychology ; Education ; Bildung und Erziehung ; Psychologie ; biology education; learning environment; learning at workstations; student-oriented; teacher-centred ; Allgemeine Psychologie ; Lehrende, Erziehende, Lernende ; Unterricht, Didaktik ; General Psychology ; Teachers, Students, Pupils ; Curriculum, Teaching, Didactics
    Type: journal article , Zeitschriftenartikel
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  • 9
    Keywords: Unterrichtsforschung ; Unterricht ; Fachdidaktik ; Naturwissenschaftlicher Unterricht ; Deutschland
    In: Ralle, Bernd (Hrsg.); Eilks, Ingo (Hrsg.), Quality in practice-oriented research in science education., Aachen: Shaker (2004), S. 117-124, 3-8322-3076-9
    Description / Table of Contents: Emotional and cognitive aspects of learning (ECOLE) characterize an integrative approach project with a theoretical foundation in both, the emotional psychology and the subject-integrative didactics as well. This dualism provided the specific cover for a major research project which involved three different school subjects (Biology, [German] Language and Physics). Altogether, our specific educational unit selected a 14 lesson unit dealing with the ecological unit "lake". The specific educational unit consisted of an emotional-centred, a teacher-centred and a hands-on science part. About 400 8th and 9th graders each participated in biology and shared an empirical survey about achievement and emotional scores. The first variable only outscored the results of our control unit, the second did not. However, correlations showed a positive influence of situational interest and well-being on achievement, and a negative impact of anxiety and boredom.
    Type of Medium: Article
    ISBN: 3-8322-3076-9
    Language: English
    FIS Link: 761479
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  • 10
    Keywords: Biologie ; Ökologie
    In: International journal of science education, Bd. 21 (1999) H. 11, S. 1169-1185, 0950-0693
    Description / Table of Contents: This paper surveys the consequences of pupils' participation in a conservation education programme by monitoring changes in their relevant knowledge as well as in their environmental perception. The programme in question is an extra-curricular education unit about an endangered migrant bird (Apus apus; Apodidae) which was initiated by a state-wide conservation agency and offered free of cahrge to all secondary schools of the German-speaking part of Switzerland. An activity package was provided to the participating classes and individually introduced by the classroom techer during an entire school year. The programme highlighted the bird's natural history and also focused on the individual involvement of pupils who built artificial nest-boxes and watched the bird's breeding and feeding behaviour at appropriate outdoors sites. A bilingual approach was included by sharing these observations with pupils of (French-speaking) Senegal, this country being the wintering region of the bird. Based on an instrument measuring environmental perception, i. e. individuals' preservation and conservation preferences (from an attitudinal and behavioural point of view) and built on construct validation procedures published in a previous study, the influences of the education programme were evaluated on a pre- /post--test basis. The post-test was delayed for at least a month after experiencing the education programme in order to exclude short-term effects. The programme had a significant positive effect on the specific knowledge level and on two of the five environmental perception subscales. The results are discussed in the context of other related outdoor ecology education programmes.
    Type of Medium: Article
    ISSN: 0950-0693
    Language: English
    FIS Link: 561622
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