The Principle of Commonality and Difference are two or more options that has the same thought and configuration is likely to be the incorrect choice.

Sample Question:

You are instructing the client on how to perform breast self-examination. You tell the client to lie down and to examine her left breast. you then instruct the client that in performing breast self-examination while lying down, she should place a pillow on what side of the body?

  1. Under the left shoulder.
  2. Under the right shoulder
  3. Under the right scapula.
  4. Under the right arm.

You can notice that three of the four choice pertain to the right side of the body. It is safe to deduce that no.1 is the correct answer.

Sample Question:

You are instructing the client on how to perform breast self-examination. You tell the client to lie down and to examine her left breast. you then instruct the client that in performing breast self-examination while lying down, she should place a pillow on what side of the body?

  1. Under the left shoulder.
  2. Under the right shoulder
  3. Under the right scapula.
  4. Under the right arm.

No. 1 is the correct answer because the pillow is always placed under the breast to be examined.

Remember to only use this test taking strategy if you DO NOT KNOW the correct answer and is UNSURE of the choices. If you know the answer and it contradicts any test taking strategy, please follow what you know.