Pre-Post Test Knowledge of Ultrasound Term Paper

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Confidence interval:

The mean of Group One minus Group Two equals -5.694852

95% confidence interval of this difference: From -9.458031 to -1.931672

Intermediate values used in calculations:

t = 2.9968 df = 118 standard error of difference = 1.900

Required "t" Value = 1.671

Conclusion: What was seen visa via the raw data presentation was a "slight" difference in ultrasound content knowledge between pre and post instruction. However, the "t" Test analysis has shown that the differences are statistically significant. A resulting "t" value of 2.9968 far exceeds the required value of 1.671. Therefore, enrolling in a ultrasound class significantly increased the participant's content knowledge level. This is a perfect example how one cannt every draw a conclusion about data from a raw data numerical stance.

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What might appear not to be so different actually ends I being very, very different. Finally, participating in the course obviously did produce a significant increase in ultrasound content knowledge for those who participated.

Correlation Value Between Pre and Post-Test Results

Pearson Product Moment Correlation

Statistic

Variable Y

Variable X

Mean

Variance

Standard Error

Correlation

Degrees of Freedom

Observations

Conclusion: A required correlation value of at least 0.273 is needed to be able to establish a statistical significant relationship between pre-test and post-test results with respect to the having had participated in a ultrasound course emphasizing content knowledge. The received value of 0.500 far exceeds the critical value needed and the conclusion drawn is that a statistically.....

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