For each of the following operational definitions, decide whether you consider it to be a valid measure. Explain why or why not. Decide whether you consider it to be a reliable measure. Explain why or...

For each of the following operational definitions, decide whether you consider it to be a valid measure. Explain why or why not. Decide whether you consider it to be a reliable measure. Explain why or why not.

Reasoning that bigger brains require bigger heads, a researcher measures intelligence by measuring the circumference of each person’s head (just above the ears).