Following Issues Related

Read the von Sonderen, Sanderman, and Coyne (2013) article.  Discuss the following issues related to reverse-scored items.

1.  What is the primary reason that some items are reverse scored in questionnaires or surveys?
2.  What are some possible disadvantages of reverse scoring items?
3.  If the instruments you have selected for your evaluation have reverse-scored items, why is it critical to calculate those variables before analyzing the data? 

References

van Sonderen, E., Sanderman, R., & Coyne, J.C. (2013).  Ineffectiveness of reverse wording of questionnaire items: Let’s learn from cows in the rain.  PLOS One, 8(7), e68967.