Hypothesis Testing: Post Traumatic Stress Disorder

Hypothesis Testing Paper Team PSY 315

Hypothesis Testing When a person is recruited into the military, he or she is bombarded by the positive aspects of such patriotism and are blinded from the true risks of combat. When a person makes the decision to join the military, he or she is making a life altering decision that will change not only his or her way of thinking but also the very core of who they were. By being forced into a situation in which a soldier must take another’s life, without question…show more content…
The five steps of hypothesis testing may be used to evaluate statistics and find solutions for problems such as this debilitating disorder. Team A’s hypothesis attempted to link combat with PTSD and the data supports this theory. Of course the null hypothesis implied there was no link between combat and this disorder, which must be rejected because of the results. These first two steps in the testing phase are important for clarifying the theory and creating the boundaries to support or reject it. When wording a hypothesis, a researcher must be careful to state the theory clearly so the opposite theory, the null, will be properly represented because that is what is…show more content…
(n.d.). Posttraumatic Stress Disorder DSM-IV Diagnosis and Criteria. Retrieved April 6, 2010 from http://www.mental-health-today.com/ptsd/dsm.htm Michigan Post Traumatic Stress Disorder Task Force. (2009). Important Facts about PTSD. Retrieved April 7, 2010 from http://www.helpcombatptsd.com/Importantfacts.html US Army Medical Department Center and School. (2007). Mild Traumatic Brain Injury and Post Traumatic Stress Disorder. Retrieved April 8, 2010 from http://www.washingtonpost.com/wp-srv/nation/documents/walter-reed/mTBI_PTSDInstructorGuideApprovedVersion.pdf Tanielian, T. (2009.) Assessing Combat Exposure and Post Traumatic Stress Disorder in Troops and Estimating the Costs to Society: Implications from the RAND Invisible Wounds of War Study. RAND Corporation. Retrieved April 8, 2010 from http://www.rand.org/pubs/testimonies/2009/RAND_CT321.pdf

Table 1.
See separate attachment for Table 1.
Table 2: Frequency table showing values dealing with research and null hypothesis Ha: mu1 ≠ mu2 | | | H0: mu1= mu2 | |