1. 45 Minutes
Session 25
Practice:
Test Interpretation

2. Learning Objectives
Analyze the results of completed drug influence evaluations and identify the category or categories of drugs affecting the individual examined
Describe the basis for the drug category identification
Briefly review the objectives, content and activities of this session.
Upon successfully completing this session the student will be able to:
Analyze the results of completed drug influence evaluations and identify the category or categories of drugs affecting the individual examined.
Describe the basis for the drug category identification.
CONTENT SEGMENTS LEARNING ACTIVITIES
A. Interpretation Demonstrations Instructor Led Demonstrations
Interpretation Practice Small Group Practice
Participant Led Presentations

3. Case One: Subject Allen
Preliminary Examination
Eye Examinations
Psychophysical Tests
Vital Signs Examinations
Interpretation Demonstrations
Case One: Subject Allen
Preliminary Examination
Review the results of the Preliminary Examination of Subject Allen.
Ask participants: “What category or categories of drugs would produce
preliminary examination results consistent with this exemplar?” Probe to draw
out the basis for participants’ responses.
Eye Examinations
Review the results of the Eye Examinations of Subject Allen.
Ask participants to discuss the category or categories of drugs that would cause these eye examination results.
Psychophysical Tests
Review the results of the Psychophysical Tests of Subject Allen.
Ask participants to discuss the category or categories of drugs that would
produce these psychophysical results.
Vital Signs Examinations
Review the results of the Vital Signs Examinations of Subject Allen.
produce these results.

4. Case One: Subject Allen (Cont.)
Dark Room Examinations
Other Evidence
Opinions of the Evaluator
Dark Room Examinations
Review the results of the Dark Room Examinations of Subject Allen.
Ask participants to discuss the category or categories of drugs that would produce these results.
Other Evidence
Review the results of the examinations for injection sites and muscle tone, and of the final interview of Subject Allen.
Ask participants to comment on the category or categories of drugs that would be consistent with all of the evidence on this exemplar.
Opinions of Evaluator
Point out that the evidence indicates that Subject Allen is under the influence of Cannabis.
Solicit participants’ questions concerning this demonstration.

5. Case Two: Subject Brown
Preliminary Examination
Eye Examinations
Psychophysical Tests
Vital Signs Examinations
Case Two: Subject Brown
Preliminary Examination
Review the results of the Preliminary Examination of Subject Brown.
Ask participants: “What category or categories of drugs would produce
preliminary examination results consistent with this exemplar?” Probe to draw
out the basis for participants’ responses.
Eye Examinations
Review the results of the Eye Examinations of Subject Brown.
Ask participants to discuss the category or categories of drugs that would cause
these eye examination results.
Psychophysical Tests
Review the results of the Psychophysical Tests of Subject Brown.
Ask participants to discuss the category or categories of drugs that would
produce these psychophysical results.
Vital Signs Examinations
Review the results of the Vital Signs Examinations of Subject Brown.
produce these results.

6. Case Two: Subject Brown (Cont.)
Dark Room Examinations
Other Evidence
Opinions of the Evaluator
Dark Room Examinations
Review the results of the Dark Room Examinations of Subject Brown.
Ask participants to discuss the category or categories of drugs that would produce these results.
Other Evidence
Review the results of the examinations for injection sites and muscle tone, and of the final interview of Subject Brown.
Ask participants to comment on the category or categories of drugs that would be consistent with all of the evidence on this exemplar.
Opinions of Evaluator
Point out that the evidence indicates that Subject Brown is under the influence of Cannabis.
Solicit participants’ questions concerning this demonstration.

7. Interpretation Practice
Team Practice
Feedback of Results
B. Interpretation Practice
Team Practice
Assign participants to work in teams of 3 or 4 members.
Review and discussion of exemplars by teams.
Tell teams that they are to review three exemplars (Subjects Cole, Davis, and Elliott). Team members are to discuss the evidence among themselves and reach a conclusion concerning the category or categories of drugs, if any.
Teams will present their conclusions to the entire class.
Allow teams approximately 15 minutes to review the three exemplars and reach their conclusions.
Feedback of Results
Poll the teams to determine their conclusions concerning the category or categories of drugs present in each subject.
Subject Cole
Subject Davis
Subject Elliott
Session Wrap-Up
Offer appropriate comments concerning the teams’ performance.

8. QUESTIONS?
Solicit participants’ comments and questions concerning this practice session.