Open-Source Psychometrics Project
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River Tam Personality Statistics

River Tam is a character from Firefly + Serenity. This page summarizes crowd sourced ratings of their personality collected from users of the Statistical "Which Character" Personality Quiz. People who take the quiz are asked if they would also be willing to volunteer to rate characters that they know. The ratings are made on a 100 point scale between two adjectives and then all averaged together into a composite. Because of the "law of large numbers" (a.k.a. wisdom of the crowds) this profile is very reliable. If you take one persons opinion of what a character is like and compare it to the opinion of another person about what that character is like, they could be very different. But if you compare the opinions of two groups, the difference gets smaller and smaller the larger the groups.

The table shows the average rating the character received for each trait in the survey. Because the questions are bipolar adjective pairs, they are reversible (i.e. a score of 25 on short<--->tall is the same as a score of 75 on tall<--->short). On this page, traits that had an average score below the midpoint have been reversed so they can be listed in order of most to least extreme for that character. The table also shows this character's relative rank on that trait compared to all other characters in the database. The standard deviation of ratings is shown, the basic idea here is that if the standard deviation is higher then that means there is less agreement between raters on that trait (the less agreement, the larger the sample size needed to get a reliable estimate). The number of raters is how many different individuals submitted a rating for that trait with this character; each rater rated only a random subset of traits for each character when they were surveyed.

TraitAverage ratingRankRating standard deviationNumber of raters
extraordinary (not mundane)95.837.7234
high IQ (not low IQ)95.8238.7255
genius (not dunce)94.6510.5329
weird (not normal)92.7811.8377
unorthodox (not traditional)92.7710.9117
mysterious (not unambiguous)92.5212.1356
🤺 (not 🏌)92.5137.717
complicated (not simple)91.9615.6216
important (not irrelevant)91.1569.818
outsider (not insider)90.1214.4205
extreme (not moderate)89.84811.4256
beautiful (not ugly)89.89512.9116
wild (not tame)89.73913.1346
🌟 (not 💩)89.64122.312
moody (not stable)89.52613.7383
legit (not scrub)89.42415.719
mighty (not puny)89.33113.9323
reclusive (not social)89.21412.311
fast (not slow)89.12016.3311
arcane (not mainstream)89.1716.2243
egalitarian (not racist)89.07210.013
coordinated (not clumsy)88.68018.1302
chaotic (not orderly)88.05016.8382
creative (not conventional)88.02317.0349
cryptic (not straightforward)88.0519.9309
minimalist (not pack rat)87.6615.014
young (not old)86.85115.2328
attractive (not repulsive)86.411215.6377
interesting (not tiresome)86.34117.0265
treasure (not trash)85.812017.117
confidential (not gossiping)85.69919.8334
rebellious (not obedient)85.313515.5224
backdoor (not official)85.35117.9333
pro (not noob)85.016514.621
👽 (not 🤡)85.0911.314
edgy (not politically correct)84.56415.5314
thin (not thick)84.51719.2214
deviant (not average)84.56416.0218
spontaneous (not scheduled)84.27722.6323
competent (not incompetent)84.223117.8249
active (not slothful)84.119519.2257
adventurous (not stick-in-the-mud)83.89819.5253
resistant (not resigned)83.73720.9265
guarded (not open)83.414921.2286
instinctual (not reasoned)83.35121.3305
diligent (not lazy)83.238916.5326
autistic (not neurotypical)83.2321.4312
reserved (not chatty)83.07120.8351
outlaw (not sheriff)82.99919.7252
conspiracist (not sheeple)82.86217.5189
mischievous (not well behaved)82.718116.2304
child free (not pronatalist)82.75421.5197
private (not gregarious)82.67620.8315
head@clouds (not down2earth)82.65823.2283
introvert (not extrovert)82.04322.0292
📈 (not 📉)81.82616.19
curious (not apathetic)81.48321.6349
🧙 (not 👨‍🚀)81.44118.621
quiet (not loud)80.97322.0315
abstract (not concrete)80.93228.313
deep (not shallow)80.810021.117
feminist (not sexist)80.619019.117
spicy (not mild)80.415518.3240
brave (not careful)80.111722.3348
loyal (not traitorous)80.135919.8342
resourceful (not helpless)80.134121.1109
ferocious (not pacifist)79.917220.8345
zany (not regular)79.611628.418
impulsive (not cautious)79.314624.1357
avant-garde (not classical)79.23719.782
suspicious (not trusting)79.116923.5347
feisty (not gracious)79.021119.5241
open to new experinces (not uncreative)78.918821.8271
atheist (not theist)78.810426.977
awkward (not charming)78.66222.2353
explorer (not builder)78.28022.1297
transient (not permanent)77.91920.2122
crazy (not sane)77.911422.97
family-first (not work-first)77.814724.1327
heroic (not villainous)77.632118.9350
alpha (not beta)77.526223.6230
master (not apprentice)77.428021.7125
tense (not relaxed)77.428623.7328
individualist (not communal)77.416124.7104
resolute (not wavering)77.417226.216
night owl (not morning lark)77.317717.9164
go-getter (not slugabed)77.232321.813
equitable (not hypocritical)77.19221.188
🤠 (not 🤑)76.412113.312
anarchist (not statist)76.39227.023
specialist (not generalist)76.38927.7111
studious (not goof-off)76.234322.512
mathematical (not literary)76.06622.9298
driven (not unambitious)75.850724.2224
🦄 (not 🐴)75.89628.919
liberal (not conservative)75.216824.918
varied (not repetitive)75.11823.6111
🧗 (not 🛌)74.821526.118
cold (not warm)74.615920.2268
remote (not involved)74.51725.9238
sad (not happy)74.315217.9246
decisive (not hesitant)74.333226.1283
persistent (not quitter)74.266220.19
alert (not oblivious)74.231728.613
chaste (not lustful)74.17121.8319
open-minded (not close-minded)73.814626.4329
inspiring (not cringeworthy)73.618722.6125
sorrowful (not cheery)73.519019.4329
vengeful (not forgiving)73.121522.6349
genuine (not sarcastic)72.918226.6230
innocent (not worldly)72.37724.6333
astonishing (not methodical)72.36930.3285
hard (not soft)72.125323.3126
anxious (not calm)71.922126.1289
demure (not vain)71.911419.1221
pure (not debased)71.721924.6297
mad (not glad)71.723420.619
😊 (not 🤣)71.621027.511
assertive (not passive)71.544426.3205
hipster (not basic)70.86924.8273
kinky (not vanilla)70.421025.6228
feminine (not masculine)70.323421.2352
industrial (not domestic)69.815426.398
wise (not foolish)69.726623.3339
dominant (not submissive)69.643524.2326
modern (not historical)69.523526.6189
soulful (not soulless)69.345526.1107
introspective (not not introspective)69.227428.124
utilitarian (not decorative)69.131527.5111
altruistic (not selfish)68.828525.0287
technophile (not luddite)68.816328.4255
quarrelsome (not warm)68.732523.3272
multicolored (not monochrome)68.616933.1102
deranged (not reasonable)68.618523.612
heathen (not devout)68.516524.9273
😈 (not 😇)68.523020.118
😭 (not 😀)68.217628.515
imaginative (not practical)68.114429.7228
scandalous (not proper)68.127725.4305
valedictorian (not drop out)68.143935.317
🤐 (not 😜)68.123532.718
compersive (not jealous)68.016325.5194
high-tech (not low-tech)67.622931.0246
hard (not soft)67.532226.2237
highbrow (not lowbrow)67.431324.4289
charismatic (not uninspiring)67.050625.2243
animalistic (not human)66.910124.4247
cunning (not honorable)66.423828.2295
short (not tall)66.121523.2286
workaholic (not slacker)66.059323.797
💃 (not 🧕)65.837232.218
miserable (not joyful)65.436017.816
fresh (not stinky)65.445324.325
overspender (not penny-pincher)65.320423.613
purple (not orange)65.116929.3223
🙃 (not 🥰)65.124237.722
unlucky (not fortunate)64.925728.7329
barbaric (not civilized)64.915722.4284
ludicrous (not sensible)64.821730.0295
whimsical (not rational)64.721032.5288
nerd (not jock)64.741525.6330
messy (not neat)64.521427.0182
ivory-tower (not blue-collar)64.231128.0256
angry (not good-humored)64.124523.5221
sober (not indulgent)64.125128.2271
nonpolitical (not political)64.117832.9301
impatient (not patient)63.942027.3118
💔 (not 💝)63.824127.710
spontaneous (not deliberate)63.518034.4292
kind (not cruel)63.454122.1313
frugal (not lavish)63.335024.4231
😬 (not 😏)63.319128.618
sheltered (not street-smart)63.120832.2302
tasteful (not lewd)62.844124.2324
flexible (not rigid)62.719231.5258
juvenile (not mature)62.728425.0109
rude (not respectful)62.626225.7333
queer (not straight)62.68422.6115
unpatriotic (not patriotic)62.67729.717
scruffy (not manicured)62.425327.7329
sensitive (not thick-skinned)62.227031.6257
direct (not roundabout)61.654536.7288
pessimistic (not optimistic)61.534026.0216
charming (not trusting)61.137123.5276
rough (not smooth)61.129228.7272
self-assured (not self-conscious)60.855531.0225
🤖 (not 👻)60.528135.96
competitive (not cooperative)60.350228.3287
armoured (not vulnerable)60.349628.1230
crafty (not scholarly)60.345129.4305
shy (not playful)60.114229.5290
works hard (not plays hard)59.656027.2247
bold (not serious)59.538732.1279
unassuming (not pretentious)59.522233.316
🦒 (not 🐐)59.49531.816
🙅‍♂️ (not 🙋‍♂️)59.326336.610
🥾 (not 👟)59.332833.510
emancipated (not enslaved)59.253630.2251
rugged (not refined)59.032928.0346
unpolished (not eloquent)58.728330.4245
philosophical (not real)58.715634.1202
wholesome (not salacious)58.343430.16
🏋️‍♂️ (not 🚴)58.119226.910
intimate (not formal)57.934427.717
insulting (not complimentary)57.736223.6111
stylish (not slovenly)57.653227.5279
serious (not playful)57.253128.2342
humorless (not funny)57.129927.9268
🐒 (not 🐩)57.134331.28
stoic (not expressive)57.033434.8312
aloof (not obsessed)56.913532.0257
confident (not insecure)56.962330.2306
strict (not lenient)56.649027.5289
🥴 (not 🥳)56.543927.48
🐿 (not 🦇)56.544638.012
vague (not precise)56.120535.5212
depressed (not bright)56.035130.8242
dramatic (not no-nonsense)56.043032.2150
nihilist (not existentialist)55.823131.483
city-slicker (not country-bumpkin)55.861131.917
🐮 (not 🐷)55.846121.618
poisonous (not nurturing)55.633225.5116
unprepared (not hoarder)55.525726.9274
artistic (not scientific)55.239129.9309
libertarian (not socialist)55.249832.4217
emotional (not logical)55.148132.3318
🧢 (not 🎩)55.138835.79
proletariat (not bourgeoisie)55.044631.8206
gendered (not androgynous)55.085331.8137
realist (not idealist)55.044931.798
urban (not rural)55.063230.815
impartial (not biased)54.612931.3224
awkward (not suspicious)54.526932.1309
sickly (not healthy)54.419726.4268
🐘 (not 🐀)54.442334.724
metaphorical (not literal)54.223837.1228
👩‍🎤 (not 👩‍🔬)54.143734.317
bold (not shy)54.081730.4332
monastic (not hedonist)53.830126.019
western (not eastern)53.768631.318
skeptical (not spiritual)53.569833.9305
modest (not flamboyant)53.550331.4341
democratic (not authoritarian)53.348132.1237
creepy (not disarming)53.225328.0123
hurried (not leisurely)53.052029.2306
bookish (not sporty)52.758828.7244
focused on the present (not focused on the future)52.351831.5259
disorganized (not self-disciplined)52.325734.4285
sweet (not bitter)52.344926.6248
👨‍⚕️ (not 👨‍🔧)52.348631.611
'left-brained' (not 'right-brained')52.136631.1160
rich (not poor)51.958032.6241
physical (not intellectual)51.833028.4320
theoretical (not empirical)51.827032.5244
first-mate (not captain)51.850334.5309
arrogant (not humble)51.758326.6311
prestigious (not disreputable)51.762628.4272
bossy (not meek)51.669524.8266
accepting (not judgemental)51.641931.4194
subjective (not objective)51.650931.8101
💪 (not 🧠)51.628729.717
🤔 (not 🤫)51.560936.98
demonic (not angelic)51.340421.7296
🧐 (not 😎)51.345833.911
dorky (not cool)51.142425.613
indiscreet (not tactful)51.129736.617
provincial (not cosmopolitan)51.045329.9199
codependent (not independent)51.036533.6330

Similar characters

The similarity between two characters can be calculated by taking the correlation between the lists of their traits. This produces a value from +1 to -1. With +1 implying that every trait one character is high on the other one is high on too, to an equal degree. And, -1 implying that if a character is high on specific trait, the other one is low on it. The 10 most and least similar characters to River Tam based on their crowd-sourced profiles are listed below with the correlation in parenthesis.

Most similar Least similar
  1. Arya Stark (0.712)
  2. Rust Cohle (0.703)
  3. Fox Mulder (0.689)
  4. Darlene (0.663)
  5. Sherlock Holmes (0.663)
  1. Principal Skinner (-0.413)
  2. Mr. William Collins (-0.413)
  3. Mark Brendanawicz (-0.411)
  4. Tom Scavo (-0.408)
  5. Morty Seinfeld (-0.404)

Personality types

Personality types according to various systems can be derived from the character's traits. Profiles for a personality type were computed by averaging together all responses from people who took the test and reported a given personality type and then this composite was matched to each of those profiles as if it was its own character (as was done above). Listed closest to worst match.

  1. Jungian/Myers-Briggs: ISFJ (r = 0.73)
  2. Jungian/Myers-Briggs: ISTJ (r = 0.67)
  3. Enneagram: Type 1 (r = 0.58)
  4. Enneagram: Type 9 (r = 0.51)
  5. Enneagram: Type 6 (r = 0.49)
  6. Jungian/Myers-Briggs: INFJ (r = 0.47)
  7. Enneagram: Type 2 (r = 0.44)
  8. Enneagram: Type 5 (r = 0.44)
  9. Jungian/Myers-Briggs: INTJ (r = 0.42)
  10. Enneagram: Type 3 (r = 0.37)
  11. Jungian/Myers-Briggs: ESFJ (r = 0.35)
  12. Jungian/Myers-Briggs: ESTJ (r = 0.3)
  13. Jungian/Myers-Briggs: ISFP (r = 0.19)
  14. Enneagram: Type 4 (r = 0.17)
  15. Jungian/Myers-Briggs: ISTP (r = 0.1)
  16. Jungian/Myers-Briggs: ENFJ (r = 0.08)
  17. Enneagram: Type 7 (r = 0.05)
  18. Enneagram: Type 8 (r = 0.05)
  19. Jungian/Myers-Briggs: INFP (r = 0.02)
  20. Jungian/Myers-Briggs: ENTJ (r = 0.02)
  21. Jungian/Myers-Briggs: INTP (r = -0.04)
  22. Jungian/Myers-Briggs: ESFP (r = -0.22)
  23. Jungian/Myers-Briggs: ENFP (r = -0.29)
  24. Jungian/Myers-Briggs: ESTP (r = -0.32)
  25. Jungian/Myers-Briggs: ENTP (r = -0.44)


  Updated: 05 August 2020
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