=+(1) visual contact and imagery, (2) nonvisual contact and imagery, (3) visual contact, and (4) control. There were 20 subjects assigned to each method. Calculate the 99%

T–K intervals, indicate which methods differ significantly from one another, and summarize the results by underscoring. How do the 99% T–K intervals compare to the 95% T–K intervals of Exercise 15.24?