Question 1
What aspect of hydrocephaly may lead to mental retardation?
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presence of an extra chromosome◦
nutritional deficiencies◦
build-up of cerebrospinal fluid◦
inherited enzyme deficiencyQuestion 2
What could you conclude about a test-designed to measure friendliness-which correlates negatively with measures of social discomfort, correlates positively with measures of sociability, and has low correlations with measures of intelligence?
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It has high reliability.◦
It has low test norms.◦
It has low criterion-related validity.◦
It has high construct validity.