Original fictional print-shop prop notes. CardR: helper gently scrapes an empty cardboard box edge; supplied words “higher pitch, loud”. CardS: helper gently rubs an empty plastic cup; supplied words “lower pitch, loud”. No frequency or sound-level measurements are supplied. CardT says only “bright sound”; the writer gives no definition or comparison for bright. Job: a guide that keeps pitch words separate from loudness words. No real child listening trial is supplied.
Which supplied words describe pitch, and which describe loudness, forR andS?
What do the notes leave unknown about the word bright onT?
Make two matching record rows forR andS using each action and its exact description.
Ask a question that would help the stated guide job without inventing a new result.
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