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Understanding T-Scores Essay Sample

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Understanding T-Scores Essay Sample

1. Which patient scored the highest on the preoperative CVLT Acquisition? What was his or her T score? The patient with the highest scored preoperative CVLT Acquisition was patient 3 with a score of 63 and a T-Score of 62.2 2. Which patient scored the lowest on postoperative CVLT Retrieval? What was this patient’s T score? The patient with the lowest score of postoperative CVLT Retrieval was patient 4 with a score of 30 and a T-Score of 23.3 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. Yes, There was a decline in the CVLT Retrieval at T-scores 9.6. The drop in CVLT retrieval T-scores for patient 4 was 44-23= 21 points representing 52% from baseline score showing that this patient did in fact have a decline in memory that was twice that of the other patients. 4. What is the mean () and standard deviation (SD) for preoperative T score for CVLT Acquisition? Mean=45.9, SD=5.2

5. Is the preoperative Retrieval T score for Patient 5 above or below the mean for the norm of the group? Provide a rationale for your answer. Patient 5 was above norm for the T-score =52. The mean score for the preoperative retrieval norm group= 47.8 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? CVLT Retrieval T Scores are between (41.29, 51.41)

48.41+/-5.73=
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? CVLT Retrieval T-Scores are between (29.2,47.2)

38.2+/-9.0=
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. No because the sample size was too small to continue and to have results for a larger group with these current studies showing the results. Sample size was >30 9. If a patient had a raw score = 30, what would his/her postoperative CVLT Retrieval T score be? CVLT Retrieval T-Score=39.68

T-Score=10(30)/9.0+(50-10(39.29)/9.0)=39.68
10. Did patients demonstrate more postoperative memory declines among CVLT Retrieval T scores than CVLT Acquisition T scores? Provide a rationale for your answer. It showed that the CVLT Retrieval T-scores memory decline was higher than the CVLT Acquisition T-Scores. CVLT Retrieval T-Scores= 9.6 (20% drop)

CVLT Acquisition T-Scores= 6.9 (15%)

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