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Historical Facebook research · 256 personality profiles

Education Concentration and COMPILER Personality Types

Education concentrations describe recorded fields of study. They do not establish degree completion, educational attainment, occupation or performance.

Eight COMPILER dimensions define the type codes. The same weighted factor scores and fixed global cutoffs are applied to every category; only the recorded preference field changes.

60,343 profiles have usable data for this comparison. Type samples range from 8 to 1,354, with a median of 186.

221 of 256 types meet the 70-profile sample minimum. 21 have at least five qualifying distinctive entries; 0 have twenty.

These are historical, unadjusted associations, not individual predictions. A missing mention is not a dislike. Age, gender, geography and list length may contribute to differences.

Distribution of category sample sizes across the 256 personality types

Patterns with substantial differences

These examples require at least 25 mentions in a type of at least 300 profiles, in addition to the common screening rules. They are examples with larger cells, not a claim of independent replication.

Computer Science

: 9.4% list this entry, compared with 2.0% outside the type. That is 4.60 times the listing rate, a 7.3-percentage-point gap (39 of 417 profiles).

Social Work

: 3.8% list this entry, compared with 0.9% outside the type. That is 4.37 times the listing rate, a 2.9-percentage-point gap (51 of 1,354 profiles).

Elementary Education

: 3.5% list this entry, compared with 1.0% outside the type. That is 3.60 times the listing rate, a 2.5-percentage-point gap (47 of 1,354 profiles).

Common concentration entries supply the catalog. Multiple listed concentrations can match multiple entries. Generic one-word entries require standalone list boundaries; a specialism is not automatically merged with its broader field. Subject preferences can overlap with intellectual or artistic questionnaire content.

Explore the 256 profiles

Reading the eight letters

COMPILER uses the original proposed pole names below. These are provisional shorthand for broader dimensions, not clean logical opposites, abilities, diagnoses or judgments of worth.

PositionHigher factor scoreLower factor scoreMeaning
1C: CaregivingA: AutonomyPrioritizing care for others and family or close relationships.
2O: OpennessT: TraditionalismIntellectual, imaginative and artistic exploration.
3M: MaterialismF: FrugalityPlacing importance on appearance, money and expensive consumption, not actual wealth.
4P: PrudenceS: SpontaneityOrderliness, caution and deliberate self-control.
5I: IntimacyG: GuardednessEmotional openness, accepting help and interpersonal trust.
6L: LeadershipY: YieldingWanting to lead or control and being comfortable with confrontation, not leadership skill.
7E: EquanimityV: VolatilityEmotional calm and steadiness rather than a strong need for reassurance.
8R: ReligiosityN: NonreligiosityReligious faith and conventional restraint.

In particular, Autonomy does not mean an inability to care; Frugality is broader shorthand here than thrift alone; Leadership includes control/confrontation preferences rather than demonstrated skill.

What the comparison can establish

The catalog contains 86 entries. Distinctive rankings require at least 70 usable profiles in a type, 200 mentions overall, 10 in the type, 50 outside it, and at least three in each deterministic half. Listing-rate lift must be at least 1.25, the absolute gap at least 0.25 percentage points, and the direction positive in both halves.

Lift compares the selected type with everyone outside it in the same usable category cohort. Lists can contain fewer than twenty entries. The split-half rule screens consistency; it is not external validation or a multiple-testing guarantee. Larger ratios based on ten or twelve mentions remain uncertain.

Each person counts at most once per matched entry, but can match several entries. Common whole-field dislike/negation phrases are conservatively screened out of preference fields. Education concentrations are not dislike-screened. The matching catalogs are not exhaustive and may miss languages, aliases or prose descriptions.

The factor model combines 35 original trait scores. Each of its eight global cutoffs splits 253,717 eligible historical profiles into 126,859 higher and 126,858 lower scores. Marginal balance does not guarantee equal-sized combinations. The source spans 2008–2011; it is not a representative sample of current tastes or the general population.

Download aggregate rankings CSV · Aggregate results · Full scoring and matching methods

All 256 sample sizes
TypeUsable profilesQualifying entries
1,35413
1,3048
8465
71813
67611
6666
6658
6524
6428
63612
6327
62312
6173
6038
5866
5824
57411
5623
5560
5423
53910
5303
5294
4994
4891
4695
4626
4595
4571
4511
4516
4480
4424
4404
4364
4333
4294
4222
4213
4186
4174
4113
4030
3981
3961
3912
3864
3862
3844
3833
3723
3665
3580
3552
3471
3411
3413
3393
3372
3340
3343
3253
3224
3202
3141
3130
3081
3080
3031
3003
3002
2992
2882
2811
2800
2781
2690
2671
2671
2662
2630
2621
2611
2593
2571
2521
2510
2501
2491
2430
2380
2360
2343
2331
2330
2322
2260
2262
2262
2242
2240
2220
2211
2211
2191
2190
2190
2172
2152
2090
2092
2080
2080
2062
2060
2060
2050
2031
2021
2012
2000
1961
1962
1920
1910
1901
1891
1870
1861
1820
1820
1810
1800
1760
1761
1730
1732
1681
1640
1631
1621
1620
1621
1590
1580
1580
1571
1570
1490
1490
1490
1480
1470
1461
1440
1430
1421
1420
1400
1381
1380
1380
1340
1340
1320
1320
1280
1280
1271
1260
1260
1240
1240
1240
1230
1220
1190
1180
1180
1160
1160
1151
1150
1130
1130
1120
1110
1110
1100
1090
1090
1080
1080
1080
1071
1050
1050
1020
990
990
970
940
941
930
920
900
870
860
850
850
820
780
780
750
750
750
740
740
730
720
700
680
660
650
650
630
620
610
600
590
580
570
550
550
510
460
440
420
410
410
400
390
390
360
360
350
350
330
300
280
240
180
180
160
150
80

Find out your COMPILER type

Explore your profile with the experimental 63-item assessment: 56 new items and seven MOTIVES comparison items.

Take the COMPILER Short Test

Version 0.1. New-questionnaire scores are provisional and are not calibrated to the historical Facebook cutoffs.