Cards (4)

    • there could be distractions so use earmuffs to remove noise distractions
    • there is a difficulty in deciding distance on ruler if between measurements so be consistent, either use top or bottom of the finger to decide distance
    • the ruler could hit the hand on the way down so have finger and thumb far enough apart to reduce likelihood of ruler hitting hand as it falls
    • the person may improve with practice so leave gaps between tests to reduce the effects of practicing
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