On the basis of research with young children, a developmental psychologist hypothesized that the skills involved in copying curves must be developed before the skills involved in copying angles can be developed.

Summarize Argument
The psychologist hypothesizes that children must develop the skill to copy curved lines before they can develop the skill to copy angles. This is based on her research with children.

Notable Assumptions
The psychologist must have some support for her hypothesis that stems from her research with young children.

A
All of the children who can copy curves can also copy straight lines.
We don’t care about straight lines. We care about curves and angles.
B
All of the children who can copy angles can also copy curves.
Children who can copy angles can copy curves. This supports, albeit weakly, the idea that copying curves comes before copying angles.
C
The ability to discriminate angles must be developed before angles can be copied.
We don’t care about the ability to discriminate angles.
D
Some of the children who cannot copy curves can copy angles.
This weakens the psychologist’s hypothesis. We need curves to come before angles.
E
Young children have the cognitive processes involved in copying angles.
We need curves to come before angles. This just tells us children can probably copy angles.

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This page shows a recording of a live class. We're working hard to create our standard, concise explanation videos for the questions in this PrepTest. Thank you for your patience!

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This page shows a recording of a live class. We're working hard to create our standard, concise explanation videos for the questions in this PrepTest. Thank you for your patience!

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