Validity Is a Major Concern for Researchers When Using Existing

question 7

Essay

Validity is a major concern for researchers when using existing statistics and secondary data analysis. Explain three problems with validity when conducting existing statistics research.

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Definitions:

Lead(II) Nitrate

A chemical compound with the formula Pb(NO3)2, used in making matches and special explosives, as well as in various industrial processes.

Potassium Bromide

A chemical compound with the formula KBr, commonly used in photography, as a medication, and as a laboratory reagent.

Saturated Solution

A solution containing the maximum concentration of a solute dissolved in a solvent at a given temperature and pressure.

Molarity

A measure of concentration expressing the number of moles of a solute per liter of solution.