Midterm Flashcards
F SCALE T<50
- Likely to be free of disabling psychopathology.
- Socially comforming
- May have “faked good.”
BACK INFREQUENCY (Fb) SCALE
- Detection of deviant or random responding in the latter part of the booklet.
- If F scale90, interpretation of original validity (L,F,K) and standard scales is possible, but interpretation of scales that involve latter items needs to be deferred.
- Random responding Fb>80
- Fake bad Fb T>80
PSYCHOPATHOLOGY INFREQUENCY SCALE (Fp)
-Assessment of extreme responding relative to psychiatric inpatients.
F scale is infrequent responding relative ro normative sample.
-Assesses the extent to which a person is claiming more symptoms than people in an inpatient psychiatric facility.
LIE SCALE (L)
-Claims of being excessively virtuous, extreme high moral character.
L>65 T
- Possible profile invalidity due to very virtuous presentation. Claiming virtues not found among people in general.
- Personality characteristics associated with highly L- naivete, rigid thinking, lack of psychological mindedness of defensiveness.
K SCALE
- Developed as a measure of test defensiveness. To improve the classification of patients who were defensive on the MMPI.
- Items ‘less obvious’ in content.
- Most items endorsed false.
- Willingness to disclose personal info and discuss problems.
K SCALE HIGH SCORES
T>65
- Reflect an uncooperative attitude and reluctance to disclose.
- Fake good response set
- Absence of psychopathology should not be assumed
- TRIN T>80, individual may be presenting a naysaying response.
K SCALE
56-65
- Approached test in a defensive manner.
- Maybe giving appearance of adequacy, control, effectiveness
- No indications of serious pathology, may reflect average, ego strengh, and resources.
K SCALE
40-55
- Healthy balance
- Well adjusted and few signs of emotional disturbance
K SCALE LOW SCORES
<40 T
- Indicative of True Response Set TRIN>80 T
- Attempt to present self in an unfavorable light
- Exaggeration of problems
- Critical and disatisfied with self
- Ineffective in dealing with problems of daily life
Minnesota Multiphasic Personality Inventory MMPI 2
- Published in 1943
- Original purpose: to determine diagnosis
- Innovation, empirical key (criterion key) approach to scale construction
- Involves selecting items for scales by identifying those that discriminate a clinical (criterion) group from a normal group
REASONS FOR THE FAILURE TO ACHIEVE ORIGINAL PURPOSE (MMPI)
- Many clinical scales are highly correlated, making it unlikely that only one scale would be elevated
- Intercorrelation due in part to item overlap btw scales
- Unreliability of specific diagnoses during development of MMPI
LINEAR T SCORES
All scales were assigned a mean of 50 and a std of 10
-Problem: non equivalency of percentile values across scales
UNIFORM T SCORES
T score of 65 falls uniformly at the 92nd percentile for the eight clinical scales and content scales
USE OF MMPI 2 NORMS WILL RESULT IN HIGHER T SCORES.
N
COMMON PLOTTING ERRORS
- Incorrect application of K correction factor
- Use of wrong profile sheet
- Plotting the scale scores on the wrong scales
WELSCH CODE
Most common coding system.
-Numbers are sequenced according to their elevation level.
VALIDITY OF MMPI2 PROFILES
- Using measures of response invalidity, we can judge whether the individual has distorted the responses to the point of invalidating the test
- In some cases, we can correct for defensivenes to arrive at a more accurate symptom picture
- Determination of scale, invalidity from a test score is arbitrary.
- Valid Invalid is a dichotomus process, but scores are continuosly distributed.
IN CLINICAL INTERPRETATION
- It’s customary to use cut off scores to suggest valid or invalid performance on a scale
- Cut off scores are arbitrary but represent the ‘best guess’ estimate based on the empirical data.
ITEM OMISSIONS, INCONSISTENT RESPONDING, AND FIXED RESPONDING
Examine indices that reflect a test taking approach sometimes taken by uncooperative clients.
CANNOT SAY SCORE (?)
- If person has omitted more than 30 items within the first 370 items, the protocol is considered valid
- Reasons for omissions: test defensiveness, indecisiveness, carelesness, poor reading skills
VARIABLE RESPONSE INCONSISTENCY (VRIN)
-Can revel inconsistent responding Reasons---- .random responding .confusion .reading problems
TRUE RESPONSE INCONSISTENCY (TRIN)
- Pairs of items that are opposite in content
- Can detect tendency to give true answers indiscriminatly acquiescence
- Tendency to give False answers ‘non acquiescence’
- Indiscriminately neysaying
ALL TRUE AND ALL FALSE PATTERNS
-Another sign of invalidity is the percentage of True and False responses in the record
-A low percentage of either true or false responses (<20%) reflects a distorted response pattern
Reasons—-
.conscious manipulation
.careless responding to the items
PROFILE IS UNINTERPRETABLE
ALL TRUE RESPONSE PATTERN
Yields extreme elevations on scales 6,7,8,9 (measure severe pathology.)
-Validity scales- very high F at a level profile is uninterpretable L and K are very low
ALL FALSE PATTERN
- L and K are highly elevated, F scale also elevated
- All False produces a more ‘neurotic’ profile- elevation on scales 1,3, and 2
F SCALE (INFREQUENCY)
- Based on the premise that people who are attempting to claim psychology problems will go to extremes in their endorsement of symptoms and in errors to what actual patients would endorse
- Useful in detectiom deviant response sets and can provide info on extratest characteristics
ELEVATED F SCALE (T>100)
Possibility of an invalidating response set should be considered.
- Possible recording error. Improper recording of responses
- Random responding VRIN>80T
- True response bias TRIN>80T
- Possible disorientation. Confused, disoriented, unable to follow directions, reading problems (if VRIN <80T, this can be ruled out.)
- Possible malingering
F SCALE T SCORES BTW 80-99
- Possibility of exaggeration of symptom ‘cry for help.’
- May have responded false to all or most items (TRIN>80)
- Resistant to testing procedure
- Psychotic features
F SCALE T SCORES 65-79
- May have unusual social, political, religious convictions.
- Manifest severe neurotic or psychotic disorder
F SCALES 50-65
- May have endorsed items in a particular problem area
- Typically function adequately, in most aspects of their lives
HIGHER F SCORES ARE INDICATIVE OF
- Reporting emotional turnoil
- Feel unable to cope with stresses of life
- Often feel like failures
- Have few friends
- Easily frustrated, tend to give up readily
PATTERNS OF RESPONSE INVALIDITY
- Positive self presentation
- Fake good profile
- Defensiveness
- Negative self presentation
FAKE GOOD PROFILE
- Motivated to deny problems or appear psychologically healthy
- Effort to distort MMPI results
- High L and K- claims of highly virtuous characteristics that are unusual and create questions about persons willingness to cooperate with the evaluation
- F may be below 50T
DEFENSIVENESS
- Motivated to present self in a positive light but not as blantantly as in taking good
- L and K scale more elevated than F scale
- Scale with T scores in 60-65 range should be considered significant
FAKING BAD/ MALINGERING
- People are motivated to present an unrealistically negative impression
- Faking bad, when done deliberately to present self as psychologically disturbed when not the case
CHARACTERISTICS OF FAKE BAD PROFILE
- Very elevated F scale T>100
- Fb and Fp elevated, often at same level as F
- TRIN and VRIN not elevated
- Clinical scales elevated, especially 6 and 8, 5 and 0 least elevated
DIFFERENCES IN FAKE BAD AND SERIOUS PATHOLOGY
- F and Fp are usually higher in Fake Bad profile
- -F scale for psychotic persons 70-90T, Fake Bad>100T
- -Clinical scales higher for Fake Bad
EXAGGERATION
- Possibly trying communicate a need for help
- No prototypical profile
- Consider possibility of exaggeration if F scale and clinical scales tend to be much higher than expected given the patients history and interview
SCALE 1 (HYPOCHONDRIASIS)
- Clinical scale
- Most unidimensional scale, items refer to somatic concerns and physical integrity
SCALE 1 (HYPOCHONDRIASIS) SCORES
- T>80 scores, dramatic and bizarre somatic concerns.
- If scale 3 elevated, possibility of a conversion disorder.
- Moderate elevations (T=60-80), vague, nonspecific somatic complaints, lack of energy, fatigue, weakness
- If much greater than 60:
- — self centered, narcissistic
- — pessimistic, cynical
- — dissatisfied and unhappy
- — demanding of others
SCALE 2 (DEPRESSION)
- Clinical scale
- Index of person’s discomfort and dissatisfaction with their life situation
- Elevated scores (T>70), suggest clinical depression
- Moderate scores indicate poor morale and lack of movement
- Cautious, difficulty making decision, overcontrolled, lack of self confidence, insecure, withdrawal and lack of intimate involvement with others.
SCALE 3 (HYSTERIA)
- Clinical scale
- High elevations (T>80), classic, hysterical symptoms, feel overwhelmed, react to stress by developing physical symptoms
- Lack of insight about causes of symptoms
- Inmature, self-centered, seek attention from others
SCALE 4 (PSYCHOPATHIC DEVIATE)
- Measure of rebelliousness
- High scores, rebel thro antisocial and criminal ways
- Moderately high rebellion in more acceptable ways
- Compulsive with authority, underachievement in school, poor work history, impulsive, risk taking? Inmature, self centered, insensitive to others, hostile and aggressive.
SCALE 5 (MASCULINITY-FEMININITY)
- Non clinical scale
- High score for men: lack of stereotypical masculine interests
- High score for girls: uncommon, rejection of female roles, interested in male role
- Low scores men, presenting self as highly masculine in terms of hobbies
- Low scores female, feminine interests, derive satisfactioj from role as mother or wife
MMPI CODE TYPES
Ways of classifying MMPI2 profiles that take into account more than a single scale at a time
HIGH POINT CODE TYPE
Tells us that this single scale, is higher than any other clinical scale in the profile
2 POINT CODE TYPES
2 clinical scales are the highest ones in the profile.
-For most 2 point code types, scales are interchangeable