APPLICATION OF PSYCHOMETRIC PROPERTIES OF AN INSTRUMENT FOR ASSESSING STUDENTS’ ACHIEVEMENT IN QUANTITATIVE ECONOMICS IN DUNUKOFIA LOCAL GOVERNMENT AREA OF ANAMBRA STATE, NIGERIA

The considerations of validity and reliability typically are viewed as essential elements for determining the quality of any instrument. However,, professional and practitioner associations frequently have placed these concerns within broader a given context. Psychometric is a field of study concerned with the theory and technique of psychological measurement.