A fourth study of the impact of classroom assessment practices on students and their learning in the context of the classroom was undertaken by Bangert-Drowns, Kulik, and Kulik (1991), who investigated the effects of frequent classroom testing.
A hyphen (-) is a punctuation mark used to join the separate parts of a compound word. A hyphen is a joiner. A hyphen is used to join the words of a compound adjective (e.g., five-page document), to join the words of compound noun (e.g., cooking-oil), and to join a prefix to a word (e.g., re-examine).
Hyphen - Varied meanings. 1  Some stark examples of semantic changes caused by the placement of hyphens... 2  Disease-causing poor nutrition, meaning poor nutrition that causes disease. 3  Disease causing poor nutrition, meaning a disease that causes poor nutrition. 4  A man-eating shark is a shark that eats humans.