“…The issues concern whether the effects of headings depend upon the following: reader ability (Doctorow et al, 1978;Hartley and Trueman, 1985;Klare et al, 1958); developmental level of the reader (Hartley and Trueman, 1985); text difficulty Standal, 1986, 1987); location of headings (Hartley and Trueman, 1985); form of headings (Doctorow et al, 1978;Hartley et al, , 1981Hartley and Trueman, 1985); or time of testing (Brooks et al, 1983;Hartley et al, , 1981Holley et al, 1981). The issues concern whether the effects of headings depend upon the following: reader ability (Doctorow et al, 1978;Hartley and Trueman, 1985;Klare et al, 1958); developmental level of the reader (Hartley and Trueman, 1985); text difficulty Standal, 1986, 1987); location of headings (Hartley and Trueman, 1985); form of headings (Doctorow et al, 1978;Hartley et al, , 1981Hartley and Trueman, 1985); or time of testing (Brooks et al, 1983;Hartley et al, , 1981Holley et al, 1981).…”