Question

Use the following data to answer the next five exercises: A pair of studies was performed to measure the effectiveness of a new software program designed to help stroke patients regain their problem-solving skills. Patients were asked to use the software program twice a day, once in the morning and once in the evening. The studies observed $200$stroke patients recovering over a period of several weeks. The first study collected the data in Table 1.31. The second study collected the data in Table 1.32.

Both groups that performed the study concluded that the software works. Is this accurate?

Short answer

No, it is not correct to say that both studies conclude that the software works.

Step-by-step solution

Given information

A pair of studies were conducted to assess the efficacy of a new software program designed to assist stroke patients in regaining problem-solving skills. The software program was to be used twice a day, once in the morning and once in the evening, by the patients. The studies followed the recovery of $200$stroke patients over a period of several weeks. The data in Table 1.31 were gathered in the first study. Table 1.32 contains the results of the second study.

Solution Explanation 

The numbers appear to be significantly different in the first study, indicating that the software may be effective. The difference in the numbers in the second study appears to be normal or marginal, which may fail to indicate the effectiveness of the software. As a result, it is incorrect for the two studies, each with a different set of numbers, to reach the same conclusion. As a result, it is incorrect.