A researcher creates a machine that will measure the total electrical activity i

Question

A researcher creates a machine that will measure the total electrical activity in a human brain over a short period of time. She claims that this measures the intelligence of the brain's owner. A psychologist says that's not true because the amount of electrical activity isn't related to ability to solve problems. The psychologist is claiming that electrical activity as a measure of intelligence is

invalid.

not precise.

not reliable.

biased.

invalid.

not precise.

not reliable.

biased.

Explanation / Answer

Option-A)                                                                                                                                                                                                                                                                             

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