Twenty-four adults participated in an experiment to determine the difficulty of conditional sentences of the kinds frequently found in the instructions in government forms. The stimulus materials were 128 sentence frames of the form, "If you are X, press button Y," where X was replaced by sixteen different coordinate structures. These…

Prompted by concern that the State of New Jersey driver's manual was too difficult for many low-skilled readers to read and comprehend, a study was conducted in which chapter 6 of the driver's manual was rewritten, lowering its readability level from grade 8 to grade 6. It was hypothesized that significant differences in comprehension would result…