Recitation Exercise Chapter 11 Answer the following questions. You are allowed t

Question

Recitation Exercise Chapter 11 Answer the following questions. You are allowed to work in groups, but everyone must shomw of their work, Feel free to attach an additional sheet of paper. 1. Methadone works on parts of the brain and spinal cord to block the "high" caused by using opiates (such as heroin). It helps reduce cravings and withdrawal symptoms caused by opiate use, and is used to treat opiate addiction. Nonetheless, recovering addicts often experience heightened anxiety during the withdrawal period, and additional strategies may be required to prevent a relapse into drug use. Possible strategies include mindfulness meditation (MM) exercises as a way to reduce anxiety. A public health researcher recruited 12 individuals who had become addicted to the opioid-based painkillers prescribed for injury, and were beginning a 12-month methadone treatment. The researcher chose to measure anxiety symptoms with the Hamilton Anxiety Scale, which measures anxiety severity on a 0-56 scale (lower scores indicate less anxiety, high scores indicate high anxiety). Participants were monitored for the first 6 months of methadone treatment, at which time pre-treatment anxiety symptoms were measured. For the last 6 months, participants received weekly MM instruction, and post-treatment anxiety scores were measured at the end of the 12th month. The researcher predicted that anxiety symptoms would be less severe following MM instruction. a. [Step 1] State HA for this repeated-measures design b. (Step 1] State HO for this repeated-measures design

Explanation / Answer

(a) Ha : MM instructions post treatment reduces the anxiety symptoms

(b) H0: No impact of MM instructions on anxiety sympotms pre and post treatment

(c) df = 12+12-2 = 22 i.e n+m-2

(d) t value (one sided) = 1.717

(e) it's on the left region of the graph 5%

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