If You Wanted to Assess the General Level of Participant

Multiple Choice

If you wanted to assess the general level of participant satisfaction with a product, which type of question would be best?

A) The yes/no question "Are you satisfied with this product?"
B) The true/false question "I am satisfied with this product."
C) The true/false question "I am dissatisfied with this product."
D) The rating scale question "How satisfied are you with this product on a scale of 1 to 10?"
E) The open-ended question "Are you satisfied with this product?"