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PSYC 330 Lecture 2 Notes

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This is a comprehensive and detailed note on lecture 2 for Psyc 330.

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  • September 29, 2024
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Psych 330 – Lecture #2 Notes
General Issues, Drug History, and Legal Perspectives (cont.)

Research Methods
 How do we know about drug use/abuse trends?
o Research
 Why is it important to know the different methods for conducting research?
o Different methods ask different questions and yield different answers

Human-Based Research
 Case studies
o Interview-based, lack of scientific controls (no “normal” comparison)
o Biased by population Ex) Rehab center
 *some flaws to this method
 Naturalistic Observation
o Observation based, lack of controls
o What is real behavior and what is based on the viewer’s interpretation?
 Flaws to this method because the interpretation can be wrong
 Laboratory Studies
o Limited by recruitment pool Ex) College students
o Lack of controls (depends on the study)
 MRI – Magnetic Resonance Imaging
 Studies brain anatomy
 fMRI – Functional Magnetic Resonance Imaging
 Studies brain function
 Surveys
o Self-Reports, includes clinical populations and general populations
o Issues?
 How do differences between patients and non-patients affect the
information provided?
 What about denial and lying?
o Maximizing accuracy in surveys (reliability and validity)
 Written assurance of confidentiality
 Setting that encourages honesty
 Drug free state (participants are sober)
 Clearly worded, objective questions (no subjectivity)
 Memory aids Ex) TLFB – Alcohol Timeline Followback
 Giving someone a calendar and have them point out which days
they remember drinking instead of asking them how many days
they drank in the past month
o General Population Surveys
 Are they accurate?

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