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Statistics Hlt362 V Essay

553 words - 3 pages

Name: Gulnara Shipetich Class: HLT – 362V-0191
Date: November 18, 2014
■ EXERCISE 20 Questions to be graded
1. Which patient scored the highest on the preoperative CVLT Acquisition? What was his or her T score?
Patient #3, female with T score of 63.
2. Which patient scored the lowest on postoperative CVLT Retrieval? What was this patient’s T score?
Patient #4, male with T score of 23.
3. Did the patient in Question 2 have more of a memory performance decline than average on the CVLT Retrieval? Provide a rationale for your answer.
Patient #4 had more of a memory performance decline than average on the CVLT Retrieval. This patient’s T score dropped from pre-operative 44 to 23 post-operative. ...view middle of the document...

8) for the norm of this group of patients.
6. Assuming that the distribution of the preoperative CVLT Retrieval T scores is normal, the middle 68% of the patients had T scores between what two values?
X- = 47.8; SD = 5.8
47.8 + 5.8 = 53.6 47.8 - 5.8 = 42
The middle 68% of the preoperative CVLT Retrieval patients had T scores between 42 and 53.6.
7. Assuming that the distribution of scores for the postoperative CVLT Retrieval T scores is normal, the middle 68% of the patients had T scores between what two values?
X- = 38.2; SD = 9
38.2 + 9 = 47.2 38.2 – 9 = 29.2
The middle 68% of the postoperative CVLT Retrieval patients had T scores between 29.2 and 47.2.
8. The researchers state that it appears that the functional integrity of the left temporal lobe, despite evidence of structural abnormality, plays a considerable role when it comes to memory outcomes following left ATL. Can the findings from this study be generalized to a larger population? Provide a rationale for your answer.
The findings from this study cannot be generalized due to the small sample size n = 17.
9. If a patient had a raw score = 30, what would his/her postoperative CVLT Retrieval T score be?
X- = 38.2 SD = 9.0
T score = 10X/SD + (50 – 10X-/SD) = (10*30)/9.0 + [50 – (10*38.2)/9.0] = 33.33 + (50 – 42.44) = 33.33 + 7.56 = 40.89
The patient’s postoperative CVLT Retrieval T score will be 40.89
10. Did patients demonstrate more postoperative memory declines among CVLT Retrieval T scores than CVLT Acquisition T scores? Provide a rationale for your answer.
There was more postoperative memory decline among CVLT Retrieval T scores, with average drop of 9.6 from the baseline score, than that of postoperative Acquisition group, with average T score drop of 6.9.

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