Dr. Hindsmith has developed a new test for IQ. When Dr. Hindsmith distributes the new test to college students and finds that the students score the same every time they take the test, but that the test does not predict how they perform on other IQ tests. Dr. Hindsmith's test appears to have but not .

reliability; validity          

Explanation:

Reliability: In research or statistics, the term reliability is referred to as the phenomenon that involves the consistency of a particular measuring test or a research study, for example, if an individual tends to measure one's height at the course of the day then the height should remain when the person measure at night.

Validity: In psychological research or statistics, the term validity is referred to as the phenomenon that is responsible for measuring the tendency of a test to measure what the test claims or are determined to measure.

In reference to the question above, Dr Hindsmith's test appears to have reliability but not validity.

i dont know but thats a great qusestion

answer; many cognitive abilities emerge earlier in children than piaget though;