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Xi, Xiaoming – Language Testing, 2010
Motivated by cognitive theories of graph comprehension, this study systematically manipulated characteristics of a line graph description task in a speaking test in ways to mitigate the influence of graph familiarity, a potential source of construct-irrelevant variance. It extends Xi (2005), which found that the differences in holistic scores on…
Descriptors: Familiarity, Graphs, Scoring, Task Analysis