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Characteristics of the 4-item IPIP Scales
Measuring Constructs Similar to Those in the 30 NEO-PI-R Facet Scales (Maples
et al., 2014)
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SCALE NAMES |
Number of Items |
Mean Item Intercorrelation |
Coefficient Alpha |
Correlations |
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IPIP |
NEO |
NEO |
IPIP300 |
IPIP120 |
NEO |
IPIP |
IPIP |
NEO |
IPIP |
IPIP |
IPIP300 |
IPIP120 |
|
|
|
|
|
300 |
120 |
|
300 |
120 |
vs.NEO |
vs.NEO |
|
|
+
- |
+
- |
+
- |
|
|
|
|
|
|
|
|
|
Neuroticism |
27+21=48 |
33+27=60 |
16+8=24 |
.22 |
.22 |
.24 |
.93 |
.93 |
.88 |
.89 [.95] |
.87 [.96] |
|
Anxiety |
Anxiety (N1) |
4+4=8 |
5+5=10 |
4+ 0= 4 |
.38 |
.32 |
.37 |
.83 |
.83 |
.71 |
.75 [.90] |
.75 [.98] |
Anger |
Angry Hostility (N2) |
5+3=8 |
5+5=10 |
3+ 1= 4 |
.33 |
.42 |
.49 |
.79 |
.88 |
.80 |
.76 [.91] |
.71 [.89] |
Depression |
Depression (N3) |
6+2=8 |
7+3=10 |
4+ 0= 4 |
.40 |
.43 |
.47 |
.84 |
.88 |
.78 |
.81 [.94] |
.78 [.96] |
Self-consciousness |
Self-Consciousness (N4) |
5+3=8 |
6+4=10 |
2+ 2= 4 |
.26 |
.28 |
.31 |
.74 |
.80 |
.64 |
.72 [.94] |
.66 [.96] |
Immoderation |
Impulsiveness (N5) |
4+4=8 |
5+5=10 |
2+ 2= 4 |
.24 |
.25 |
.39 |
.72 |
.77 |
.72 |
.74 [.99] |
.65 [.90] |
Vulnerability |
Vulnerability (N6) |
3+5=8 |
5+5=10 |
1+ 3= 4 |
.35 |
.32 |
.33 |
.80 |
.82 |
.66 |
.77 [.95] |
.68 [.94] |
|
|
|
|
|
|
|
|
|
|
|
|
|
Extraversion |
|
29+19=48 |
36+24=60 |
21+3=24 |
.15 |
.16 |
.19 |
.89 |
.92 |
.85 |
.89 [.98] |
.85 [.98] |
Friendliness |
Warmth (E1) |
6+2=8 |
5+5=10 |
4+ 0= 4 |
.32 |
.41 |
.49 |
.79 |
.87 |
.79 |
.77 [.93] |
.72 [.91] |
Gregariousness |
Gregariousness (E2) |
4+4=8 |
5+5=10 |
2+ 2= 4 |
.35 |
.28 |
.39 |
.81 |
.79 |
.72 |
.78 [.98] |
.67 [.88] |
Assertiveness |
Assertiveness (E3) |
4+4=8 |
5+5=10 |
3+ 1= 4 |
.32 |
.34 |
.44 |
.79 |
.84 |
.76 |
.81 [.99] |
.73 [.94] |
Activity level |
Activity (E4) |
5+3=8 |
5+5=10 |
4+ 0= 4 |
.25 |
.19 |
.38 |
.72 |
.71 |
.71 |
.71 [.99] |
.63 [.88] |
Excitement-seeking |
Excitement-Seeking (E5) |
6+2=8 |
8+2=10 |
4+ 0= 4 |
.19 |
.28 |
.39 |
.64 |
.78 |
.71 |
.67 [.95] |
.60 [.89] |
Cheerfulness |
Positive Emotions (E6) |
4+4=8 |
8+2=10 |
4+ 0= 4 |
.34 |
.30 |
.32 |
.80 |
.81 |
.65 |
.71 [.96] |
.72 [.99] |
|
|
|
|
|
|
|
|
|
|
|
|
|
Openness to Experience |
|
24+24=48 |
28+32=60 |
7+17=24 |
.17 |
.17 |
.20 |
.91 |
.92 |
.85 |
.87 [.95] |
.84 [.96] |
Imagination |
Fantasy (O1) |
3+5=8 |
6+4=10 |
4+ 0= 4 |
.36 |
.32 |
.39 |
.82 |
.83 |
.72 |
.74 [.90] |
.70 [.91] |
Artistic interests |
Aesthetics (O2) |
5+3=8 |
5+5=10 |
1+ 3= 4 |
.38 |
.36 |
.40 |
.83 |
.84 |
.72 |
.80 [.96] |
.76 [.98] |
Emotionality |
Feelings (O3) |
5+3=8 |
5+5=10 |
1+ 3= 4 |
.27 |
.30 |
.44 |
.75 |
.81 |
.76 |
.71 [.91] |
.59 [.78] |
Adventurousness |
Actions (O4) |
3+5=8 |
4+6=10 |
0+ 4= 4 |
.17 |
.24 |
.39 |
.63 |
.77 |
.72 |
.71 [.99] |
.58 [.86] |
Intellect |
Ideas (O5) |
5+3=8 |
5+5=10 |
0+ 4= 4 |
.38 |
.39 |
.56 |
.83 |
.86 |
.84 |
.80 [.95] |
.73 [.87] |
Liberalism |
Values (O6) |
3+5=8 |
3+7=10 |
1+ 3= 4 |
.31 |
.38 |
.45 |
.79 |
.86 |
.78 |
.70 [.85] |
.70 [.89] |
|
|
|
|
|
|
|
|
|
|
|
|
|
Agreeableness |
|
26+22=48 |
24+36=60 |
5+19=24 |
.14 |
.13 |
.14 |
.89 |
.90 |
.79 |
.84 [.94] |
.78 [.93] |
Trust |
Trust (A1) |
5+3=8 |
6+4=10 |
1+ 3= 4 |
.43 |
.32 |
.39 |
.85 |
.82 |
.71 |
.79 [.95] |
.73 [.94] |
Morality |
Straightforwardness (A2) |
3+5=8 |
2+8=10 |
0+ 4= 4 |
.28 |
.25 |
.23 |
.76 |
.75 |
.53 |
.64 [.85] |
.60 [.95] |
Altruism |
Altruism (A3) |
5+3=8 |
5+5=10 |
3+ 1= 4 |
.24 |
.25 |
.26 |
.70 |
.77 |
.58 |
.67 [.91] |
.61 [.96] |
Cooperation |
Compliance (A4) |
3+5=8 |
3+7=10 |
0+ 4= 4 |
.25 |
.22 |
.30 |
.72 |
.73 |
.63 |
.71 [.98] |
.61 [.91] |
Modesty |
Modesty (A5) |
4+4=8 |
4+6=10 |
0+ 4= 4 |
.27 |
.25 |
.30 |
.75 |
.77 |
.64 |
.72 [.95] |
.63 [.91] |
Sympathy |
Tender-Mindedness (A6) |
6+2=8 |
4+6=10 |
1+ 3= 4 |
.17 |
.16 |
.30 |
.60 |
.75 |
.63 |
.61 [.91] |
.58 [.94] |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conscientiousness |
|
28+20=48 |
31+29=60 |
12+13=24 |
.19 |
.23 |
.18 |
.91 |
.92 |
.84 |
.85 [.93] |
.78 [.89] |
Self-efficacy |
Competence (C1) |
5+3=8 |
6+4=10 |
4+ 0= 4 |
.25 |
.27 |
.35 |
.70 |
.78 |
.67 |
.66 [.89] |
.60 [.88] |
Orderliness |
Order (C2) |
3+5=8 |
5+5=10 |
2+ 2= 4 |
.27 |
.33 |
.41 |
.74 |
.83 |
.73 |
.77 [.98] |
.68 [.93] |
Dutifulness |
Dutifulness (C3) |
6+2=8 |
5+5=10 |
2+ 2= 4 |
.22 |
.20 |
.21 |
.65 |
.71 |
.51 |
.61 [.89] |
.49 [.85] |
Achievement-striving |
Achievement Striving (C4) |
5+3=8 |
7+3=10 |
3+ 1= 4 |
.27 |
.27 |
.32 |
.73 |
.78 |
.63 |
.70 [.93] |
.62 [.91] |
Self-discipline |
Self-Discipline (C5) |
4+4=8 |
5+5=10 |
1+ 3= 4 |
.33 |
.37 |
.47 |
.80 |
.85 |
.78 |
.76 [.92] |
.66 [.84] |
Cautiousness |
Deliberation (C6) |
5+3=8 |
3+7=10 |
0+ 4= 4 |
.24 |
.24 |
.37 |
.71 |
.76 |
.70 |
.69 [.94] |
.61 [.87] |
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|
Mean |
4+4=8 |
5+5=10 |
2+2=4 |
.28 |
.28 |
.35 |
.78 |
.82 |
.72 |
.76 [.94] |
.69 [.91] |
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Note. Values in brackets are corrected for
unreliability. The values reported are from the Eugene-Springfield Community
Sample; N=757. Maples, J. L., Guan,
L., Carter, N. T., & Miller, J. D. (2014). A test of the International
Personality Item Pool representation of the revised NEO Personality Inventory
and development of a 120-item IPIP-based measure of the Five-Factor Model. Psychological
Assessment, 26, 1070-1084. Note. The numbers under the "+ -" heading indicate the number of positively and negatively items in the scale. So, for example, "5+3=8" indicates that there are 5 positively keyed items and 3 negatively keyed items, for 8 total items. |
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