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).
Definition: A mark of punctuation (â), technically known as an em dash, used to set off a word or phrase after an independent clause or to set off a parenthetical remark (i.e., words, phrases, or clauses that interrupt a sentence).See Examples and Observations, below. Don't confuse the dash (â) with the hyphen (-).y Richard Nordquist. Definition: A mark of punctuation (â), technically known as an em dash, used to set off a word or phrase after an independent clause or to set off a parenthetical remark (i.e., words, phrases, or clauses that interrupt a sentence). See Examples and Observations, below.