Characteristics of the 4-item IPIP Scales
Measuring Constructs Similar to Those in the 30 NEO-PI-R Facet Scales (Johnson, 2014)

SCALE NAMES

Number of Items

Mean Item
Intercorrelation

Coefficient Alpha

Correlations

IPIP
NEO
NEO
IPIP
IPIP
NEO
IPIP
IPIP
NEO
IPIP
IPIP
IPIP300
IPIP120
 
300
120
300
120
300
120
vs.NEO
vs.NEO

Neuroticism

+   -

+   -

+   -

ANXIETY

Anxiety (N1)

4+4=8

5+5=10

4+0=4

.38

.34

.39

.83

.83

.71

.76 [.92]

.76 [.99]

ANGER

Angry Hostility (N2)

5+3=8

5+5=10

3+1=4

.34

.43

.47

.80

.88

.77

.77 [.92]

.71 [.90]

DEPRESSION

Depression (N3)

6+2=8

7+3=10

3+1=4

.42

.44

.51

.84

.89

.80

.81 [.94]

.76 [.93]

SELF-CONSCIOUSNESS

Self-Consciousness (N4)

5+3=8

6+4=10

3+1=4

.26

.28

.30

.74

.80

.63

.73 [.95]

.60 [.88]

IMMODERATION

Impulsiveness (N5)

4+4=8

5+5=10

1+3=4

.24

.25

.36

.72

.77

.69

.74 [.99]

.65 [.92]

VULNERABILITY

Vulnerability (N6)

3+5=8

5+5=10

3+1=4

.35

.33

.38

.79

.82

.70

.78 [.97]

.74 [.99]

Extraversion

FRIENDLINESS

Warmth (E1)

6+2=8

5+5=10

2+2=4

.35

.41

.45

.80

.87

.77

.76 [.91]

.68 [.87]

GREGARIOUSNESS

Gregariousness (E2)

4+4=8

5+5=10

2+2=4

.35

.27

.28

.80

.79

.60

.78 [.98]

.73 [.99]

ASSERTIVENESS

Assertiveness (E3)

4+4=8

5+5=10

3+1=4

.33

.35

.44

.80

.84

.75

.81 [.99]

.73 [.94]

ACTIVITY LEVEL

Activity (E4)

5+3=8

5+5=10

3+1=4

.27

.20

.35

.74

.71

.68

.72 [.99]

.63 [.89]

EXCITEMENT-SEEKING

Excitement-Seeking (E5)

6+2=8

8+2=10

4+0=4

.20

.27

.34

.65

.77

.67

.67 [.95]

.59 [.89]

CHEERFULNESS

Positive Emotions (E6)

4+4=8

8+2=10

4+0=4

.37

.30

.39

.81

.81

.71

.77 [.95]

.69 [.91]

Openness to Experience

IMAGINATION

Fantasy (O1)

3+5=8

6+4=10

4+0=4

.36

.32

.37

.81

.82

.70

.74 [.91]

.69 [.92]

ARTISTIC INTERESTS

Aesthetics (O2)

5+3=8

5+5=10

2+2=4

.41

.38

.40

.84

.85

.72

.80 [.95]

.76 [.98]

EMOTIONALITY

Feelings (O3)

5+3=8

5+5=10

2+2=4

.28

.30

.34

.75

.81

.67

.71 [.91]

.65 [.92]

ADVENTUROUSNESS

Actions (O4)

3+5=8

4+6=10

1+3=4

.18

.25

.33

.64

.77

.66

.72 [.99]

.62 [.95]

INTELLECT

Ideas (O5)

5+3=8

5+5=10

1+3=4

.39

.39

.47

.82

.86

.78

.81 [.96]

.75 [.94]

LIBERALISM

Values (O6)

3+5=8

3+7=10

2+2=4

.31

.39

.47

.78

.86

.76

.71 [.87]

.63 [.82]

Agreeableness

TRUST

Trust (A1)

5+3=8

6+4=10

3+1=4

.43

.32

.38

.84

.82

.70

.78 [.94]

.73 [.95]

MORALITY

Straightforwardness (A2)

3+5=8

2+8=10

0+4=4

.26

.24

.29

.74

.74

.62

.65 [.88]

.54 [.80]

ALTRUISM

Altruism (A3)

5+3=8

5+5=10

2+2=4

.26

.26

.33

.72

.77

.65

.68 [.91]

.54 [.79]

COOPERATION

Compliance (A4)

3+5=8

3+7=10

0+4=4

.25

.22

.26

.72

.72

.56

.72 [.99]

.62 [.98]

MODESTY

Modesty (A5)

4+4=8

4+6=10

0+4=4

.26

.25

.31

.73

.76

.63

.71 [.95]

.64 [.94]

SYMPATHY

Tender-Mindedness (A6)

6+2=8

4+6=10

2+2=4

.17

.23

.35

.61

.75

.68

.62 [.92]

.55 [.85]

Conscientiousness

SELF-EFFICACY

Competence (C1)

5+3=8

6+4=10

4+0=4

.26

.28

.26

.71

.79

.57

.68 [.91]

.59 [.93]

ORDERLINESS

Order (C2)

3+5=8

5+5=10

1+3=4

.28

.33

.44

.74

.83

.76

.77 [.98]

.68 [.91]

DUTIFULNESS

Dutifulness (C3)

6+2=8

5+5=10

2+2=4

.24

.19

.19

.68

.71

.47

.60 [.86]

.53 [.94]

ACHIEVEMENT-STRIVING

Achievement Striving (C4)

5+3=8

7+3=10

2+2=4

.26

.28

.35

.72

.79

.68

.71 [.94]

.57 [.81]

SELF-DISCIPLINE

Self-Discipline (C5)

4+4=8

5+5=10

2+2=4

.35

.37

.34

.81

.85

.66

.77 [.93]

.72 [.98]

CAUTIOUSNESS

Deliberation (C6)

5+3=8

3+7=10

0+4=4

.23

.25

.38

.70

.76

.70

.69 [.95]

.61 [.87]

Mean

4+4=8

5+5=10

2+2=4

.30

.30

.36

.76

.80

.68

.73 [.94]

.66 [.91]

Note. Values in brackets are corrected for unreliability. The values reported are from the Eugene-Springfield Community Sample; N=501.
Johnson, J. A. (2014). Measuring thirty facets of the Five Factor Model with a 120-item public domain inventory: Development of the IPIP-NEO-120. Journal of Research in Personality, 51, 78-89.

 

 

 

 

 

 

 

 

 

 

 

 

 

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