If you’re a teacher or parent of a child with an Intellectual or Developmental Disability (IDD) understanding Least Dangerous Assumption theory could be life-altering for yourself and your students and/or children. It’s not a new idea, but it’s still a theory that should be thought of often and practiced ALWAYS.
What is Least Dangerous Assumption?
More than 30 years ago, Special Educator Anne McDonnellan stated that in the “absence of conclusive data, educational decisions ought to be based on assumptions which, if incorrect, will have the least dangerous effect on the likelihood that students will be able to functional independently as adults.” She also argued that educators should assume a student’s “poor performance is due to instructional inadequacies rather than student deficiencies.”
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Wow! Even today McDonnellan’s argument totally flips special education around. The problem is not the child, McDonnell argues. The problem is how we instruct that child, and the environmental inadequacies the child faces. The least dangerous assumption is to PRESUME COMPETENCE of all children. Assume they can learn. Assuming they cannot learn leads to segregated settings, missed educational interventions, and ultimately dependence in adulthood.
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We must always presume competence. Society’s ingrained discrimination of people with disabilities leads us down a very dangerous path. Low expectations and segregation become the norm with this world view. It’s so important that every person is given the opportunity to be included and try participating in typical activities. Too often the a child has to prove they can participate in general education or an inclusive activity outside of school. When we presume incompetence and fail to give the child the support they need to be successful we are the problem, not the child.
You can learn more about Least Dangerous Assumption here.