Suchergebnisse

Two experiments were conducted to investigate subject performance on the basis of two criteria, zero and 100 percent legibility of moving targets. A modified method of limits was employed. The targets consisted of black alphanumeric symbols regularly spaced 7.5 degrees apart on a brightly illuminated white background. Each target subtended an angle of 39 min. Legibility of the symbols was determined as they moved vertically from top to bottom in a frontal plane. The mean angular velocities for both the zero and 100 percent legibility performance levels were found to be approximately three times higher for the 7.5 degree symbol spacing than their respective velocities for a previously determined 1.5 degree symbol spacing. Performance was approximately twice as good with a 30 degree aperture as with a 3 degree aperture.

Even though theories of democracy place emphasis on universal suffrage, little attempt has been made to measure the degree of suffrage in a broad range of countries. This article uses qualitative descriptions of suffrage to develop quantitative measures of suffrage for most countries of the world. We present annual suffrage measures from 1950 to 2000, provide basic descriptive statistics, & document trends in suffrage across the world. We also compare our measure of suffrage to two other measures available for 1968 & 1985. 7 Figures, 2 Appendixes, 37 References. Adapted from the source document.