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07-05-2024
Social Studies

Answered

A group of veterans who have been diagnosed with PTSD are given daily music therapy over a two-week period, after which anxiety levels are measured, and then are shown comedy movies every day for a two-week period and anxiety levels are again measured. This specific type of design is called

A) Randomized control trial
B) Case control design
C) Descriptive pilot study
D) Crossover design

Answer :

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