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Validity means how likely it is that something is true.

Scientific validity refers to the likelihood that a result (of a measurement or study) is likely to be true and free of bias (systematic errors).

Social validity refers to the likelihood that the aims of the intervention, the specific techniques that are used, and the outcomes that are achieved are acceptable, relevant, and useful to individuals who are stakeholders, consumers, or recipients of the intervention.

Ecological validity refers to the likelihood that outcomes from a study are meaningful outside the research setting – sometimes referred to as the feasibility of implementation of an intervention.

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About This Glossary

This glossary is designed to explain some of the jargon and gobbledygook used by some people when they talk about autism or research..

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The fact that an intervention is listed in this glossary does not necessarily mean that we agree with its use. Nor does it necessarily mean that there is any scientifically valid or reliable evidence behind it.