Question: How sdThe Digit Span Backwards task requires individuals to repeat a sequence of numbers in backwards order. The goal is to repeat as many numbers

How sdThe Digit Span Backwards task requires individuals to repeat a sequence of numbers in backwards order. The goal is to repeat as many numbers as possible. Fifteen older adults (aged 65+ years) with recent traumatic brain injuries were administered the Digit Span Backwards task when they entered a geriatric brain injury rehabilitation program. The same fifteen older adults were re-administered the task on their last day of rehabilitation treatment. A rehabilitation psychologist wants to know if the older adults had improvements in their Digit Span Backwards scores after treatment.

How would I determine the t-value to appropriate analysis on the difference between the initial and final Digit Span Backwards scores for the older adults with brain injuries?

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