Randall MacIntosh, Global Attitude Measurement: An Assessment of the World Values Survey Postmaterialism Scale, American Sociological Review, Vol. 63, No. 3 (Jun ...

Many statistical procedures used in educational research are described as requiring that dependent variables follow a normal distribution, implying an interval scale of measurement. Despite the ...

The test information function shows the amount of information the scale provides about people with different levels of knowledge of foreign affairs. The test function approximates a normal curve and ...