Factors that determine the form and position of disfluencies in spontaneous utterances. - Peter Howell; Jennifer Hayes; Ceri Savage; Jane Ladd; Nafisa Patel (DiSS, 2005)

Ask and you will receive: how question type influences quantity and quality of online discussions. - Megan E. Bradley; Lindsay R. Thom; Jennifer Hayes; Cindy Hay (Br. J. Educ. Technol., 2008)