Mangan, James J2012-03-142012-03-1419561956Source: Masters Abstracts International, Volume: 49-04, page: .http://hdl.handle.net/10393/22362http://dx.doi.org/10.20381/ruor-9411Abstract not available.33 p.Education, Educational Psychology.A comparison of two school age populations in their respective rates of perception of reversals in dynamic Lissajou figuresThesis