Look for a quantitative investigation in an article of a education Review that includes information about COUNTABILITY
AND VALIDITY of the countability and validity instrument of measurement. Is the instrument trustable,? How trustable
what technique has been used to determine the countability of the instrument. Is valid.How was validity determined?
2.-Answer and explain with examples the difference between countability and validity.
3.-Define * (eight variables and indicate its level of measurement.
4.-Define one variable of each level of measurement.
