A Comparison Between 12 Scales in Tellegen's
Multidimensional Personality Questionnaire
(MPQ) and the Corresponding 12 Preliminary
IPIP Scales Measuring Similar Constructs


SCALE NAMES

   
IPIP MPQ
JOYFULNESS Wellbeing (WB)
POWER-SEEKING Social Potency (SP)
ACHIEVEMENT-SEEKING Achievement (AC)
FRIENDLINESS Social Closeness (SC)
EMOTIONAL INSTABILITY Stress Reaction (SR)
BELLIGERENCE Aggression (AG)
DISTRUST Alienation (AL)
PLANFULNESS Control (CO)
RISK-AVOIDANCE Harmavoidance (HA)
CONSERVATISM Traditionalism (TR)
IMAGINATION Absorption (AB)
---------------------------------------------------------------------
Mean
 
   
UNLIKELY VIRTUES
Unlikely Virtues (UV)

Number
of Items

IPIP MPQ
5+5 = 10 22+1 = 23
5+5 = 10 17+8 = 25
6+4 = 10 14+6 = 20
5+5 = 10 9+12 = 21
5+5 = 10 21+2 = 23
5+5 = 10 16+3 = 19
7+3 = 10 18+2 = 20
5+5 = 10 13+11 = 24
3+7 = 10 11+15 = 26
5+5 = 10 22+5 = 27
6+4 = 10 34+0 = 34
------------ --------------
5+5 = 10 17+6 = 23
   
12+5 = 17 7+7 = 14

Mean Item
Intercorrelation

IPIP MPQ
.34 .30
.37 .25
.28 .20
.36 .23
.35 .27
.26 .12
.33 .20
.26 .17
.30 .15
.34 .20
.27 .20
------ --------
.31 .21
   
.16 .14

Coefficient
Alpha

IPIP MPQ
.84 .90
.85 .89
.79 .84
.85 .86
.84 .89
.77 .72
.83 .82
.78 .83
.80 .82
.83 .87
.78 .90
------- -------
.81 .85
   
.76 .68


Correlation

IPIP vs. MPQ
.70 [.81]
.80 [.92]
.64 [.79]
.73 [.85]
.75 [.87]
.59 [.79]
.45 [.55]
.70 [.87]
.49 [.60]
.80 [.94]
.62 [.74]
----------------
.66 [.79]
 
.56[.78]


Note. All values are based on 448 participants from the Eugene-Springfield Community Sample. [Values in brackets are the correlations between the corresponding NEO and MPQ scales when corrected for the scale reliabilities.] There is no item overlap within either of the two scales sets, nor between the MPQ and IPIP item pools.


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