The subjective anxiety scale is an assessment tool commonly used in behavioral research and therapy to quantify verbal report of private events, usually states of fear. An investigation was undertaken to determine the extent of relationship between the subjective anxiety scale and two concurrent measures of autonomic arousal, peripheral vasoconstriction and heart rate. Measures were recorded du...

considering a) that a number of administrations and organizations throughout the world are currently using and/or evaluating high-definition television systems, and that in many parts of the world HDTV broadcasting is likely to become the primary medium of the next century; b) that subjective assessments are a vital element in HDTV system design and selection; c) that Recommendation ITU-R BT.50...

In subjective full-reference image quality assessment, a reference is distorted at increasing distortion levels. The differences between perceptual qualities of the and its versions are evaluated, often using degradation category ratings (DCR). However, DCR has been criticized since rating categories on this ordinal scale might not be perceptually equidistant, observers may have different under...