Max-min-con principle in the context of research methodology denotes:

1. AMaximizing systematic variance, minimizing extraneous variance, controlling error variance
2. BMaximizing systematic variance, minimizing error variance, controlling extraneous variance
3. CMaximizing extraneous variance, minimizing systematic variance, controlling error variance
4. DMaximizing extraneous variance, minimizing error variance, controlling systematic variance

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Correct answer: B. Maximizing systematic variance, minimizing error variance, controlling extraneous variance

Explanation

Kerlinger's MAXMINCON: maximise systematic variance, minimise error variance, control extraneous variance.