14,919 research outputs found
Cross-Cultural Meta-Analyses
No full textIn the enormous collection of cross-cultural data that have been published during the last few decades it is difficult to perceive patterns. There is a clear need for systematizing the vast amount of cross-cultural studies and for developing models that explain cross-cultural differences in psychology. Two methods of cross-cultural meta-analysis can be distinguished. First, the instrument-based method of comparing data for one instrument across countries is suitable for instruments which have been administered in many countries. Second, a domain-based meta-analysis used a thematic domain from which culture-comparative studies are sampled instead of one specific instrument or method
PENGENDALIAN PERSEDIAAN BAHAN BAKU RODA CASTER MENGGUNAKAN METODE MRP (MATERIAL REQUIREMENT PLANNING) DI CV KARYA TEKNIK MAKMUR
No full textAnalisa pemilihan metode MRP (Material Requirement Planning) untuk pengendalian bahan baku pembuatan roda caster di CV Karya Teknik Makmur. Penerapan dari metode MRP ini adalah untuk mengendalikan persediaan bahan baku produk roda caster di CV Karya Teknik Makmur. Pembuatan roda caster di perusahaan ini memiliki masalah dalam perhitungan biaya persediaan yang belum terperinci untuk setiap jenis biaya yang dikeluarkan dan jumlah persediaan bahan baku yang sering tidak sesuai dengan kebutuhan produksi, baik kekurangan ataupun kelebihan sehingga menimbulkan biaya yang cukup besar. Dengan menggunakan perhitungan lot for lot (LFL), Economic Order Quantity (EOQ) dan fixed order quuantity (FOQ). Jumlah dan periode pemesanan akan menghasilkan hasil yang paling optimal apabila dilakukan dengan terknik lot for lot (LFL), karena pemesanan dilakukan sesuai dengan kebutuhan yang diperlukan sehingga tidak ada persediaan dan biaya penyimpanannya menjadi tidak ada
The demand for alcohol: a meta-analysis of elasticities
No full textNumerous studies have estimated elasticities of alcohol demand using different procedures. Because of widespread differences in demand estimates, however, it is difficult to synthesise the literature into coherent meaning. This study improves our understanding of alcohol demand by reporting results from a meta-analysis of 132 studies. Specifically, regressing estimated price, income and advertising elasticities of alcohol on variables accounting for study characteristics, we find alcohol elasticities to be particularly sensitive to demand specification, data issues and various estimation methods. Furthermore, compared to other alcoholic beverages, beer elasticities tend to be more inelastic.alcohol demand, elasticity, meta-analysis, Demand and Price Analysis,
Differenze tra i sessi nella motivazione al lavoro: una meta-analisi di studi condotti con il Job Diagnostic Survey.
No full textIn questo capitolo verrà illustrato un esempio di meta-analisi applicata ad una serie di ricerche compiute nel settore della psicologia del lavoro e volte ad indagare le differenze tra uomini e donne nella motivazione lavorativa. La ricerca si inserisce negli studi di adattamento italiano e validazione di una strumento psicometrico il “Job Diagnostic Survey” approntato da Hackman e Oldham (1975) all’interno del loro modello teorico sulla motivazione intrinseca al lavoro. L’esempio è utile a verificare come la meta-analisi, condotta in margine ad una attività di ricerca che uno stesso gruppo conduce con altro obiettivo e utilizzando in modo alternativo i dati a tal fine raccolti, possa servire a focalizzare meglio gli aspetti relativi ad un tema su cui esiste scarsa e contrastante evidenza empirica. Ancora l’esempio illustra l’uso della meta-analisi come alternativa alla tradizionale statistica probabilistica di tipo fisheriano che avrebbe comportato – per studiare gli stessi effetti – una analisi complessiva su tutti i 1063 soggetti considerati, utilizzando un classico modello di ANOVA 2x3x2
A comparative analysis of the demand for higher education: results from a meta-analysis of elasticities
No full textStudies of the demand for higher education have produced numerous estimates of the tuition and income elasticities. Because of widespread variation in the models estimated, this paper performs a meta-analysis of the literature to uncover the extent to which study characteristics influence elasticities. In addition to being more inelastic in the short-run, the results reveal that demand is least responsive to tuition and income in the United States. Also, the measure of quantity and price, coupled with the method of estimation, have important effects on the tuition elasticity. Nonetheless, there are many study characteristics that have little impact on elasticity estimates.
RAMESES publication standards: meta-narrative reviews.
No full textBACKGROUND: Meta-narrative review is one of an emerging menu of new approaches to qualitative and mixed-method systematic review. A meta-narrative review seeks to illuminate a heterogeneous topic area by highlighting the contrasting and complementary ways in which researchers have studied the same or a similar topic. No previous publication standards exist for the reporting of meta-narrative reviews. This publication standard was developed as part of the RAMESES (Realist And MEta-narrative Evidence Syntheses: Evolving Standards) project. The project's aim is to produce preliminary publication standards for meta-narrative reviews. METHODS: We (a) collated and summarized existing literature on the principles of good practice in meta-narrative reviews; (b) considered the extent to which these principles had been followed by published reviews, thereby identifying how rigor may be lost and how existing methods could be improved; (c) used a three-round online Delphi method with an interdisciplinary panel of national and international experts in evidence synthesis, meta-narrative reviews, policy and/or publishing to produce and iteratively refine a draft set of methodological steps and publication standards; (d) provided real-time support to ongoing meta-narrative reviews and the open-access RAMESES online discussion list so as to capture problems and questions as they arose; and (e) synthesized expert input, evidence review and real-time problem analysis into a definitive set of standards. RESULTS: We identified nine published meta-narrative reviews, provided real-time support to four ongoing reviews and captured questions raised in the RAMESES discussion list. Through analysis and discussion within the project team, we summarized the published literature, and common questions and challenges into briefing materials for the Delphi panel, comprising 33 members. Within three rounds this panel had reached consensus on 20 key publication standards, with an overall response rate of 90%. CONCLUSION: This project used multiple sources to draw together evidence and expertise in meta-narrative reviews. For each item we have included an explanation for why it is important and guidance on how it might be reported. Meta-narrative review is a relatively new method for evidence synthesis and as experience and methodological developments occur, we anticipate that these standards will evolve to reflect further theoretical and methodological developments. We hope that these standards will act as a resource that will contribute to improving the reporting of meta-narrative reviews
Burden of Persuasion: A Meta-argumentation Approach
No full textThis work defines a burden of persuasion meta-argumentation model interpreting burden as a set of meta-arguments. Bimodal graphs are exploited to define a meta level (dealing with the burden) and an object level (dealing with standard arguments). A novel technological reification of the model supporting the burden inversion mechanism is presented and discussed
Tema 2: Open Roberta - A Web Based Approach to Visually Program Real Educational Robots
No full textThe aim of the Open Roberta initiative is to support visual online programming of educational robots. The goal is to overcome technical and professional barriers for teachers and students alike at home or in the classrooms. The free to use cloud-based Open Roberta Lab consists of graphical programming tools for the browser that enable beginners to seamlessly start coding without long-winded system installations, setups or additional technology getting in the way. Open Roberta is a project within the Fraunhofer initiative ”Roberta - Learning with Robots”. A further aspect of the paper is the introduction of the NEPOR meta programming language as a core concept for coupling real educational robot systems
Tema 2: Open Roberta - A Web Based Approach to Visually Program Real Educational Robots
No full textThe aim of the Open Roberta initiative is to support visual online programming of educational robots. The goal is to overcome technical and professional barriers for teachers and students alike at home or in the classrooms. The free to use cloud-based Open Roberta Lab consists of graphical programming tools for the browser that enable beginners to seamlessly start coding without long-winded system installations, setups or additional technology getting in the way. Open Roberta is a project within the Fraunhofer initiative ”Roberta - Learning with Robots”. A further aspect of the paper is the introduction of the NEPOR meta programming language as a core concept for coupling real educational robot systems.
Renminbi misaligned - Results from meta-regressions
No full textWe collect data from 29 separate papers estimating the equilibrium level and possible undervaluation of the Chinese currency, the renminbi. These papers yield a total of 97 individual observations on misalignment, which we analyse with the help of meta-analysis. We find that the vast majority of observations point to renminbi undervaluation in recent years and that the undervaluation is more pronounced when the US dollar exchange rate is used instead of the real effective exchange rate. We find several characteristics of papers and authors that clearly seem to influence the reported misalignments. For example, when the author is affiliated with an investment bank, the reported misalignment is smaller. Using time-series techniques also results in lower estimates of undervaluation. On the other hand, refereed journals seemingly are inclined to publish papers that report larger misalignments. Results caution against trusting too much in any one study concerning renminbi undervaluation.equilibrium exchange rate; exchange rate misalignment; meta-analysis; China
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