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  1. Home
  2. Self Report Measures
  3. Marijuana Problems Inventory (MPI)

Marijuana Problems Inventory (MPI)

The Marijuana Problem Inventory (MPI), a 29-item questionnaire adapted from the Rutgers Alcohol Problems Index (RAPI)

SCORING

Response options are as follows:

Never

1-2 times

3-5 times

6-10 times

More than 10 times

There is one total score and no items are reverse scored.

RESOURCE FILES

MPI Questionnaire

R Scoring Syntax File

REFERENCES

Vandrey et al., (2005)

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