1) Diagnostic assay 2) Diagnostic test 
[adj] - based on or being a test of reading skill using the cloze procedure
A technique usually used tassess students reading comprehension. Cloze can alsbe used as a practice activity. Teacher blanks out certain words from a written text and students fill in the missing words based on their understanding from context.
an exercise in which certain words are deleted from a text and a gap left. The learner's task is to supply the missing words. The teacher chooses which words to omit, depending on the learning task. Words can be deleted in a specific way, eg adjectives, conjunctions, or randomly (every nth word). Cloze procedure can be used to measure readability....
adjective based on or being a test of reading skill using the cloze procedure
pertaining to or being a procedure used to measure comprehension or text difficulty, in which a person is called upon to supply elements that have been systematically deleted from a text.