MMPI Test History and Development 5 — Questions and Answers
Question 1: The MMPI-3, published in 2020, differs from the MMPI-2-RF primarily in that it:
- Restored the original 10 clinical scales and dropped the RC scales
- Used a new, more diverse and contemporary normative sample collected in 2018–2019 (Correct answer)
- Expanded the item pool to over 600 items to cover new DSM-5 disorders
- Eliminated all validity scales to reduce administration length
Correct answer: Used a new, more diverse and contemporary normative sample collected in 2018–2019
The MMPI-3 retains the RF's scale structure but is based on a new 2018–2019 normative sample designed to better reflect the current US population in terms of diversity and demographics.
Question 2: Grant Dahlstrom and George Welsh's 1960 'MMPI Handbook' contributed to the field primarily by:
- Introducing the first computerized scoring algorithm for clinical settings
- Compiling and organizing the growing body of MMPI validity and correlate research (Correct answer)
- Replacing Hathaway and McKinley's original manual with revised norms
- Providing the first cross-cultural translations of the MMPI into European languages
Correct answer: Compiling and organizing the growing body of MMPI validity and correlate research
The Dahlstrom and Welsh handbook systematically organized the vast research literature on MMPI scales and code types, becoming an essential reference for practitioners and researchers.
Question 3: In the context of MMPI development history, what does the term 'criterion group' refer to?
- A panel of expert psychologists who rated item content validity
- Patients with a specific psychiatric diagnosis used to calibrate scale items (Correct answer)
- The normative sample against which clinical scores are compared
- Statistical cutoff scores defining clinical elevation on each scale
Correct answer: Patients with a specific psychiatric diagnosis used to calibrate scale items
Criterion groups were clinical patients with specific diagnoses (e.g., schizophrenia, depression) whose responses were compared to normal controls to identify discriminating items.
Question 4: Which of the following statements about Scale 5 (Mf – Masculinity-Femininity) is true regarding its original development?
- It was derived by comparing heterosexual and homosexual men to identify gender-atypical interests (Correct answer)
- It was developed to screen for gender identity disorder as defined in DSM-I
- It emerged from factor analysis of occupational preference data collected from veterans
- It was dropped from the MMPI-2 due to cultural bias concerns and replaced by the GM/GF scales
Correct answer: It was derived by comparing heterosexual and homosexual men to identify gender-atypical interests
Hathaway developed Scale 5 using a small criterion group of gay men compared to male soldiers, measuring gender-atypical interests rather than sexual orientation per se.
Question 5: What was the main reason the MMPI underwent formal restandardization beginning in the 1980s?
- A copyright lawsuit required the test to be redesigned with entirely new items
- The original 1940s norms were outdated and unrepresentative of the contemporary US population (Correct answer)
- APA mandated that all psychological tests be renormed every 20 years by federal regulation
- Advances in IRT made the original true/false format statistically obsolete
Correct answer: The original 1940s norms were outdated and unrepresentative of the contemporary US population
Decades of social change meant the 1940s Minnesota normative sample no longer reflected the ethnic, educational, and geographic diversity of the modern United States.
Question 6: The MMPI Restandardization Committee formed in 1982 was convened by which organization?
- The American Psychiatric Association
- The University of Minnesota Press (Correct answer)
- The National Institute of Mental Health
- The American Psychological Association's Division 12
Correct answer: The University of Minnesota Press
The University of Minnesota Press, which holds the copyright to the MMPI, formed the committee and oversaw the project that produced the MMPI-2 in 1989.
Question 7: Which psychologist is most closely associated with developing the first actuarial 'cookbook' for interpreting MMPI code types?
- Paul Meehl
- Philip Marks (Correct answer)
- James Butcher
- David Lachar
Correct answer: Philip Marks
Philip Marks, along with colleagues, published actuarial cookbooks providing empirically derived descriptors for specific MMPI code type configurations, operationalizing actuarial interpretation.
MMPI Test History and Development 5
The MMPI-3, published in 2020, differs from the MMPI-2-RF primarily in that it: