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Sex
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The sex of the student. (Factor with levels "Male" and "Female".)
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Wr.Hnd
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span (distance from tip of thumb to tip of little finger of spread hand) of writing hand, in centimetres.
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NW.Hnd
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span of non-writing hand.
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W.Hnd
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writing hand of student. (Factor, with levels "Left" and "Right".)
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Fold
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“Fold your arms! Which is on top” (Factor, with levels "R on L", "L on R", "Neither".)
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Pulse
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pulse rate of student (beats per minute).
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Clap
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‘Clap your hands! Which hand is on top?’ (Factor, with levels "Right", "Left", "Neither".)
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Exer
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how often the student exercises. (Factor, with levels "Freq" (frequently), "Some", "None".)
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Smoke
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how much the student smokes. (Factor, levels "Heavy", "Regul" (regularly), "Occas" (occasionally), "Never".)
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Height
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height of the student in centimetres.
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M.I
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whether the student expressed height in imperial (feet/inches) or metric (centimetres/metres) units. (Factor, levels "Metric", "Imperial".)
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Age
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age of the student in years.