Ex-post Facto Design

{
  "id": "MLC-T-ENV-010464",
  "term": "Ex-post Facto Design",
  "field": "Environment",
  "definition": "A research design in which all group selection, pretest data, and posttest data are collected after completion of the treatment. The evaluator is thus not involved in the selection or placement of individuals into comparison or control groups. All evaluation decisions are made retrospectively.",
  "subject": "Policy and guidance",
  "references": [
    "Program Evaluation Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/ex-post-facto-design/"
}