Answer the Question. -Double Blinding Is Used in an Experiment to Avoid Which

question 219

Multiple Choice

Answer the question.
-Double blinding is used in an experiment to avoid which of the following problems?

• A)If improvement is observed in a patient, it is difficult to know whether this is due to the treatment or the placebo effect
• B)If the researcher knows that the patient received the treatment, the researcher may also experience health changes
• C)If the patient knows that he received the placebo and not the treatment he may be angry and fail to tell the truth
• D)If an experimenter knows whether the patient has received the treatment or the placebo, this may influence how he or she questions the patient

---

Definitions:

Nonlabor Resources

Assets or inputs in production that are not related to direct human labor, such as machinery, raw materials, and land.

Total Product

The total quantity of output produced by a firm or economy, encompassing all goods and services.

Nonlabor Resources

Inputs in production that do not involve human labor, such as capital, land, and natural resources.

Marginal Product

The additional output produced as a result of adding one more unit of a specific input, holding other inputs constant.