The refers to the ability of an instrument or tool to accurately measure what it is supposed to measure.

Paleoanthropologists believe that the predominant diet of our earliest omnivorous ancestors consisted mostly of

Which of the following might cause the inflation rate to spike up sharply? the purchasing power of the average consumer decreases due to a sluggish economy. plentiful rainfall and moderate temperatures result in good harvests of wheat and soybeans. the items in the cpi market basket change to account for changing consumer buying habits. prices on world oil markets rise steeply due to war in the middle east.

Those with high self-esteem are highly critical of their strengths and weaknesses. true or false