2 citations · 2 across the 2 of their papers we have counts for
2 papers
math.HO2014★ 2 cited
Pierre van Hiele, David Tall and Hans Freudenthal: Getting the facts right
Thomas Colignatus
Pierre van Hiele (1909-2010) suggested, both in 1957 and later repeatedly, wide application for the Van Hiele levels in insight, both for more disciplines and for different subject…
stat.AP2007
Data selection and confounding in the court case of Lucia de Berk
Thomas Colignatus
The nurse Lucia de Berk was convicted by the Dutch courts as a serial killer with 7 murders and 3 attempts at murder in three hospitals where she worked. The nurse however always p…