1,720,953 research outputs found
Investigation of Pre-service Primary Teachers’ Self-Efficacy Beliefs towards Inquiry-Based Science Teaching and Learning
No full textΒιβλιογραφία: σ. 102-114Οι σύγχρονες εκπαιδευτικές μεταρρυθμίσεις γύρω από την Εκπαίδευση στις Φυσικές Επιστήμες (Φ.Ε.) θέτουν ως επίκεντρο της προσοχής τη διερευνητική τους προσέγγιση και τις μορφές που αυτή διαδραματίζει στη σχολική τάξη. Ως εκ τούτου, είναι ύψιστης προτεραιότητας η στελέχωση των σχολικών μονάδων με άρτια καταρτισμένους εκπαιδευτικούς, με σκοπό την ανέλιξη των μαθητών τους σε επιστημονικά εγγράμματους πολίτες. Σαφή ένδειξη που αντανακλά τις διδακτικές τους πρακτικές, αποτελούν οι πεποιθήσεις αυτο-αποτελεσματικότητάς τους και το επίπεδο στο οποίο συνίστανται, ώστε να διεξάγουν διερευνητικά προσανατολισμένες διδασκαλίες εννοιών και φαινομένων των Φ.Ε. Όπως καταδεικνύεται από την υφιστάμενη διεθνή βιβλιογραφία, έγκεινται σε σχετικά υψηλά επίπεδα για τους υποψήφιους διδάσκοντες. Σκοπός, λοιπόν, της παρούσας ερευνητικής εργασίας είναι η διερεύνηση των πεποιθήσεων αυτο-αποτελεσματικότητας που διαθέτουν μελλοντικοί εκπαιδευτικοί Πρωτοβάθμιας Εκπαίδευσης για τη διερευνητική διδασκαλία και μάθηση στις Φ.Ε. Ως εργαλείο μέτρησης του προσήμου και της έντασης τους για τις δύο επιμέρους διαστάσεις της (προσδοκίες αποτελεσματικότητας των μελλοντικών εκπαιδευτικών και προσδοκίες αποτελέσματος της διδασκαλίας∙ Bandura, 1977), συναρτήσει των πέντε βασικών χαρακτηριστικών της Διερεύνησης και των παραλλαγών τους (National Research Council [NRC], 2000), στάθηκε το Teaching Science as Inquiry (TSI∙ Dira-Smolleck, 2004). Το δείγμα της έρευνας απαρτίζεται από εκατόν εβδομήντα πέντε (175) προπτυχιακούς φοιτητές και φοιτήτριες Π.Τ.Δ.Ε. Δευτερευόντως, εξετάσθηκαν ενδεχόμενες συσχετίσεις μεταξύ των πεποιθήσεών τους ως προς το φύλο και το έτος σπουδών, που διανύουν, μέσω Student’s t-tests Ανεξάρτητων Δειγμάτων και μονόδρομης ANOVA, αντίστοιχα. Καθώς αποπειράθηκε η προσαρμογή του TSI στο κοινωνικοπολιτισμικό και εκπαιδευτικό ελληνικό πλαίσιο, αξιολογήθηκε, ακόμη, η εσωτερική αξιοπιστία και η εννοιολογική εγκυρότητά του. Σύμφωνα με τα ευρήματα, αποκαλύφθηκαν μέτριες προς υψηλές πεποιθήσεις για κάθε διάσταση, όμως περισσότερο θετικές προέκυψαν οι προσδοκίες αποτελεσματικότητας των εκπαιδευτικών, όπως και στατιστικά μη σημαντικές αποκλίσεις για τις δύο μεταβλητές. Το μεταγλωττισμένο TSI χαρακτηρίζεται από αποδεκτή εσωτερική συνέπεια∙ εντούτοις, μέσα από τον έλεγχο της εννοιολογικής του εγκυρότητας, διασταυρώθηκαν διαφορετικά αποτελέσματα, συγκριτικά με της αρχικής του εκδοχής (Dira-Smolleck, 2004; Smolleck et al., 2006). Καταληκτικά, παρέχονται ερευνητικές, θεωρητικές και πρακτικές συνέπειες, παρατίθενται ορισμένοι περιορισμοί της έρευνας και προτείνονται κατευθυντήριες γραμμές για μελλοντικές επιδιώξεις στο χώρο της Διερευνητικά Προσανατολισμένης Εκπαίδευσης στις Φ.Ε.Contemporary educational reforms concerning Science Education place the center of attention in its inquiry approach and the forms it takes in the classroom. Therefore, it is of utmost importance staffing schools with professionally qualified teachers, in order to develop their students into scientifically literate citizens. A clear indicator reflecting their instructional practices are their self-efficacy beliefs and the level at which they are located, so that they conduct inquiry-oriented teachings about scientific concepts and phenomena. As it is shown from the existing international literature, they are found at relatively elevated levels in the case of prospective teachers. Thus, the purpose of the present study is the investigation of future elementary teachers’ self-efficacy beliefs towards inquiry-based Science teaching and learning. As a measuring instrument of their sign and intensity for both of its individual dimensions (prospective teachers’ efficacy expectations and outcome expectations of their teaching; Bandura, 1977), depending on the five essential features of classroom inquiry and their variations (National Research Council [NRC], 2000), the Teaching Science as Inquiry (TSI; Dira-Smolleck, 2004) was used. The study’s sample consisted of one hundred seventy-five (175) postgraduate department of primary education students. Secondarily, correlations between their beliefs and their gender, and the first with their year of study were examined via Independent Samples Student’s t-tests and one-way ANOVA, respectively. As the adaptation of TSI to the Greek sociocultural and instructional context was attempted, its internal reliability and construct validity were also assessed. According to the findings, there were unveiled moderate to high beliefs for each of the dimensions, yet more positive teachers’ efficacy expectations than the latter, as well as statistically insignificant deviations for the two variables. The translated TSI is characterized as an acceptably internally consistent instrument; however, through the examination of its construct validity, different results were ascertained than those of the instrument’s initial version (Dira-Smolleck, 2004; Smolleck et al., 2006). Lastly, researching, theoretical and practical implications are provided, specific research limitations are presented and guidelines for future research in the field of Inquiry-Based Science Education are suggested.128 σ
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
No full textIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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