Which tests are designed to ensure accuracy of the information given in the applications?

Answer: Option D

Polygraph tests are designed to ensure the accuracy of the information given in the applications.

A polygraph test, commonly known as a lie detector test, measures physiological responses such as heart rate, blood pressure, and respiration to determine if a person is being truthful.

Option A: Graphology test analyzes a person's handwriting to infer personality traits, which is not related to verifying accuracy of application information.

Option B: Interest test assesses a person's interests and preferences, which is unrelated to verifying accuracy.

Option C: Grammatology test is not a standard HRM term and does not relate to verifying the accuracy of application information.