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http://www.victoria.ac.nz/ipnz/conference/speakers/harlene-hayne.aspx retrieved
December 10 2007 Prof. Harlene Hayne Department of Psychology
Professor Hayne On 20 November, 1991, one of the
most extensive and high profile police investigations in New Zealand’s
history began with a comment made by a four-year-old boy. The boy reportedly
told members of his family, “I don’t like Peter’s black penis.” The boy was referring to Peter
Ellis, a childcare worker who was employed at the Christchurch Civic
Childcare Centre from 1986 to 1991. On 26 April, 1993, Ellis faced a
jury trial in the New Zealand High Court on 28 counts alleging sexual
offences against 13 young children who attended the Civic crèche. Given the
lack of physical evidence, the prosecution case was based primarily on the
videotaped evidence of 20 children who had attended the crèche from 1986 to
1991. On 5 June, 1993, the jury acquitted Ellis on nine counts and found him
guilty on 16; he was sentenced to 10 years in prison. In the years that followed, two
appeals were launched against the Ellis conviction; both were unsuccessful.
In the course of these appeals, a number of experts were asked to review the
transcripts of the children’s interviews. These experts differed in their opinion
regarding the quality of the interviews. Some experts argued that the
questions were unduly leading and prejudicial, while others argued that the
questioning was adequate, particularly for the time in which they were
originally conducted. To date, however, there has been
no empirical analysis of the quality of the questions that the children were
asked. The overarching goal of the
present study was to step away from “expert opinion” and move toward an
objective analysis of the interviews in the Peter Ellis case. To do
this, we compared the quality of questions in the Ellis case with the quality
of the questions in another high-profile childcare case conducted in the
United States involving a defendant named Kelly Michaels. The Michaels case was
similar to the Ellis case in many ways and, like Ellis, Michaels was
initially convicted. In comparing the transcripts in
these two cases, our goal was to determine 1) whether the interviews in the
Ellis case were conducted in accordance with what was considered best practice
at the time, 2) whether the interviews would be
considered best practice now, and 3) whether
any of the questioning techniques may have compromised the reliability of the
children’s evidence. |