Having viewed some of the highly edited videotaped material of Terri Schiavo and having seen other patients in a persistent vegetative state, I am not surprised that family members and others unfamiliar with this condition would interpret some of her apparent alertness and movement as meaningful.
A Likert Scale is a type of psychometric scale frequently used in psychology questionnaires. It was developed by and named after organizational psychologist Rensis Likert. Self-report inventories are one of the most widely used tools in psychological research.
Creating Items to Use in a Likert Scale. 1  Select a group of judges to score the items. 2  Sum the item scores given by the judges. 3  Calculate intercorrelations between paired items. 4  Eliminate items that have a low correlation between the summed scores.