“…Consistent with the argument of proponents of all-day kindergarten, the previous studies on the effects of all-day kindergarten have shown overall positive advantages on student's academic achievements in such domains as mathematical reasoning and concepts, oral-language development, literacy skills, and problem-solving (Clark, 2001; Cryan, Sheehan, Wiechel, & Bandy- Hedden, 1992; da Costa & Bell, 2001; Elicker& Mathur, 1997; Fusaro, 1997;Hough & Bryde, 1996;Johnson, 1993;Nelson, 2000) st and are better prepared for 1 grade (Clark & Kirk, 2000;Elicker & Mathur, 1997;Feldman, 2001;Johnson, 1993; Ohio State Legislative Office of Education Oversight, 1997) when compared to half-day kindergarten.…”