10.28 Does a content title help a reader comprehend a piece of writing? Twenty-six participants were given an article to read without a title. They then rated themselves on comprehension of the information on a scale from 1 to 10, where 10 was complete comprehension. The same 26 participants were then given the article again, this time with an appropriate title, and asked to rate their comprehension. The resulting summarized data was given as d  4.76 and sd  2.33, where d  rating with title  rating without title. Comprehension is generally higher on the second reading than on the first by an average of 3.2 on this scale. Does this sample provide sufficient evidence that a content title does make a difference with respect to comprehension? Use   0.05.