Human ecology
Mathematics education
Psychology of learning mathematics
PLM - Notes - 14/2/00

Notes on tests - 14/2/00

Significance of tests.
Minimum of four intervals

Definitions: Size of test? For N people? Random walk error = square root of N

Divide people into groups of high maths and low maths

Null hypothesis: in each group there should be equal numbers of high DP and low DP people.

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Created 14/2/00
Last modified 20/2/00