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.
Likert scale. A Likert scale is composed of a series of four or more Likert-type items that represent similar questions combined. into a single composite score/variable. Likert scale data can be analyzed as interval data, i.e. the mean is the best. measure of central tendency. 3.1. Inference..