Why is measuring the bend with a protractor to the nearest degree better than describing it as 'slight' or 'strong'?

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Question

Why is measuring the bend with a protractor to the nearest degree better than describing it as 'slight' or 'strong'?

Accepted Answer

A number can be compared and averaged; words mean different things to different people — Award 1 mark. Quantitative data are objective and allow means and comparisons; words can go in a table but cannot be averaged.

Answer

The angle is the only feature of the response that changes

Answer

Descriptions cannot be written in a results table

Answer

A protractor is quicker to use than making a judgement

Answer

A number can be compared and averaged; words mean different things to different people

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