Short for HyperText Markup Language, the authoring language used to create documents on the World Wide Web. HTML is similar to SGML, although it is not a strict subset. HTML defines the structure and layout of a Web document by using a variety of tags and attributes.
Formal operational thought is the type of cognitive activity that occurs within the titular formal operational stage as articulated by Piaget's theory of cognitive development. According to Piaget, the formal operational stage begins at around age eleven.
The concrete operational child may not be aware, however, oF the content oF others' perspectives (this awareness comes during the next stage oF cognitive development) (Salkind, 2004). The Formal operational stage is the Fourth and Â²nal stage oF Piaget's theory oF cognitive development.