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.
Caret. Caret is an inverted V-shaped grapheme. Specifically, caret commonly refers to the spacing character ^ in ASCII and other character sets that may also be called a hat, control, uparrow, or less frequently chevron, xor sign, to the [power of], fang, shark, pointer, or wedge.