Which of the following is the most effective checking-for-understanding practice?

Question

A) Asking the class, "Does everybody understand?" and noting the group's response.
B) Saying to the class, "Raise your hand if you have any questions?"
C) Stating to the class, "Give me a thumbs up if you understand and a thumbs down if you don't."
D) Telling the class, "Hold up A if the word I say is an adjective, N if it is a noun, and V if it is a verb. I will say the word, use it in a sentence, and then say the word."

Answer 1

D / Explanation:
A) Having students hold up specific response cards is the most effective checking-for-understanding practice. The teacher can see if students got the answers right. Students may not respond to a Does-everybody-understand? question.
B) Having students hold up specific response cards is the most effective checking-for-understanding practice. The teacher can see if students got the answers right. Students may not respond to an invitation to raise their hands if they have questions?
C) Having students hold up specific response cards is the most effective checking-for-understanding practice. The teacher can see if students got the answers right. A thumbs up or down is a good practice but doesn't show if students can actually identify key information.
D) Having students hold up specific response cards is the most effective checking-for-understanding practice. The teacher can see if students got the answers right.