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Simple Linear Regression (2012)

Definition Linear Regression is a data analysis tool that allows us to model a linear relationship between two variables. Linear regression is most frequently used to make predictions based on actual data (Johnson & Christensen, 2012; Kohout, 1974; Hatch & Lazarton, 1991). History The first use of linear regression is attributed to Sir Francis Galton, cousin of Charles Darwin, on 1886. Most of his work focused on the relationships between sizes of vegetables, and also correlations between people’s heights (Klugh, 1986). Assumptions Linear Regression assumes certain conditions in order to model our data. These assumptions can also help you decide if Linear Regression is a convenient tool for your research. The degree of certainty of our assumptions will make our model more robust. Some fundamental and most frequently used assumptions are the following: I. Ratio/Interval data in your variables Data you can establish proportions with, and that h...

Attention and Noticing in Second Language Learning

A literature Review   2012 Introduction  After Schmidt’s Noticing Hypothesis (1986, 1990) claimed that noticing is the necessary and sufficient condition for intake to occur, the debate on noticing and its effects of second language learning has motivated a lot of research and theoretical discussion in SLA. However, nowadays, the discussion does not seem settled and due to the great relevance these concepts have for SLA research, it seems convenient to review and clarify them.  The purpose of the present literature review is to inform the reader about the debate in SLA regarding the concepts of noticing and acquisition, focusing on the different attempts to operationalize the constructs.  This paper is organized in the following manner: First it untangles the concepts of attention and noticing from other similar and related ideas such as consciousness and awareness; Second, it reviews positions about the critical question ‘is learning without...

Elaborative processing and Second Language Vocabulary Learning

A lit Review 2011 Introduction It is a common matter of discussion and research, whether there exists a unique or best approach that would facilitate Second Language Learning and memorization of vocabulary. Several methods have transcended history, such as Loci, or the classic Rote Learning, but the effectiveness of these does not seem to be sufficient to convince scholars. That’s how Craik and Lockhart’s (1973) levels of processing framework, poses a whole new paradigm for research, distinguishing between superficial processes (those related to word form) and deep processes (semantic manipulation) and further arguing that only deep processing leads to effective long-term learning. The levels of processing framework influenced the work of scholars like Schmeck (1977) on the Inventory of Learning Strategies, which served as the foundation for curricular projects and paradigms across the globe, in countries such as Chile (Trufello, et al. 2001). However, it’s ...