Tests of measurement

Tests of reliability: if the measuring instrument provides consistent results, it is considered to be a reliable instrument. A reliable instrument need not necessarily be a valid instrument. For example if a scale always over measures by six kgs, it … Continued

Measurement scale

Ratio scale There is absolute or true zero of measurement in Ratio scale.absolute zero could be taken as that oflenth and that of time.. the zeropoint on a centimeter scale shows no precence of lenth or height. an absolutezero oftemperature … Continued