Some Preliminary Thoughts on Statistics
by H.P.L. Molloy and T Newfields
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[ p. 5 ]The third way involves decreasing the variability of the numbers you are studying. Perhaps something you didn't think of was affecting the numbers you work with: if you can somehow account for this, you may end upwith less-varied scores and so more power. For example, perhaps you designed a study to see which of two ways of learning new lexical items is more effective. You may realize, after collecting the data study, that linguistic proficiency may affect the ability to memorize new lexical items. f you manage to get hold of TOEIC® scores for your participants, it may be possible to statistically account for proficiency and so increase the power of your study. This is not always practicable, however.