Open-Source Psychometrics Project
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Derrial Book Personality Statistics

Derrial Book 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
egalitarian (not racist)95.916.613
studious (not goof-off)93.7159.016
theist (not atheist)93.4513.6108
self-disciplined (not disorganized)93.3598.6319
mature (not juvenile)92.71312.0105
sage (not whippersnapper)92.5311.342
monastic (not hedonist)92.229.317
soulful (not soulless)91.93415.4118
empath (not psychopath)91.7139.475
respectful (not rude)91.32211.1331
devoted (not unfaithful)91.39912.923
eloquent (not unpolished)90.6389.8207
devout (not heathen)90.5812.7277
clean (not perverted)90.53714.877
knowledgeable (not ignorant)90.410012.538
civilized (not barbaric)90.35710.6259
tasteful (not lewd)90.2512.8315
spiritual (not skeptical)90.2915.0350
chaste (not lustful)90.2412.5338
perceptive (not unobservant)90.212411.536
human (not animalistic)90.01812.3232
love-focused (not money-focused)90.0897.713
kind (not cruel)89.911012.2257
diligent (not lazy)89.926411.1349
persistent (not quitter)89.828711.320
calm (not anxious)89.7612.6279
deep (not shallow)89.71410.950
not genocidal (not genocidal)89.75615.515
vintage (not trendy)89.52910.686
master (not apprentice)89.411912.3132
wise (not foolish)89.43414.9318
confidential (not gossiping)88.96313.3326
competent (not incompetent)88.719713.6240
high IQ (not low IQ)88.72359.9213
modest (not flamboyant)88.61014.2310
nurturing (not poisonous)88.56012.5112
self-improving (not self-destructive)88.5611.030
bookish (not sporty)88.315313.1244
patient (not impatient)88.31315.2121
motivated (not unmotivated)88.23208.920
sensible (not ludicrous)88.11912.2282
still (not twitchy)88.1913.380
neat (not messy)87.810013.3203
resolute (not wavering)87.84410.313
attentive (not interrupting)87.81316.285
generous (not stingy)87.84313.671
on-time (not tardy)87.715012.175
stable (not moody)87.4413.0336
loyal (not traitorous)86.835314.8329
altruistic (not selfish)86.84915.4281
confident (not insecure)86.713612.3291
frugal (not lavish)86.71314.3288
sturdy (not flimsy)86.510116.228
forgiving (not vengeful)86.35415.3333
sober (not indulgent)86.21116.1311
reasonable (not deranged)86.24911.522
enlightened (not lost)86.21718.025
cooperative (not competitive)86.12015.9339
grateful (not entitled)86.13817.884
existentialist (not nihilist)85.9316.195
introspective (not not introspective)85.82220.822
orderly (not chaotic)85.77615.1295
heroic (not villainous)85.724813.8344
compersive (not jealous)85.71211.9220
rhythmic (not stuttering)85.67415.726
deliberate (not spontaneous)85.411411.8296
profound (not ironic)85.41013.682
humble (not arrogant)85.34415.2321
treasure (not trash)85.321220.060
indie (not pop)85.15711.328
giving (not receiving)85.18417.722
🧕 (not 💃)85.1310.624
old (not young)84.810210.9300
high standards (not desperate)84.811315.467
proper (not scandalous)84.65816.3324
intellectual (not physical)84.520314.3333
legit (not scrub)84.314017.016
minimalist (not pack rat)84.21211.89
warm (not quarrelsome)83.95616.6310
optimistic (not pessimistic)83.87517.8258
pro (not noob)83.831518.826
🌟 (not 💩)83.723218.414
loveable (not punchable)83.712619.741
wholesome (not salacious)83.61089.011
inspiring (not cringeworthy)83.57415.4104
coordinated (not clumsy)83.327215.2302
tactful (not indiscreet)83.34920.518
alert (not oblivious)82.82139.122
wooden (not plastic)82.87014.811
gatherer (not hunter)82.76217.633
reassuring (not fearmongering)82.76917.425
🧠 (not 💪)82.626615.219
works hard (not plays hard)82.522214.3290
quiet (not loud)82.47814.2279
resourceful (not helpless)82.045918.694
demure (not vain)81.91916.7238
warm (not cold)81.816717.1246
good-humored (not angry)81.815815.2240
self-assured (not self-conscious)81.816516.8243
genius (not dunce)81.723813.5403
emancipated (not enslaved)81.711817.2228
angelic (not demonic)81.713717.8283
charismatic (not uninspiring)81.531116.6244
communal (not individualist)81.21220.2113
complimentary (not insulting)81.211918.9110
cautious (not impulsive)81.09514.4338
vegan (not cannibal)81.08617.640
fresh (not stinky)80.928018.625
pointed (not random)80.934119.172
prestigious (not disreputable)80.816217.0283
equitable (not hypocritical)80.65720.7149
non-gamer (not gamer)80.616823.171
queen (not princess)80.526223.012
disarming (not creepy)80.416916.5118
protagonist (not antagonist)80.428417.725
historical (not modern)80.29916.1185
😊 (not 🤣)80.210013.89
scholarly (not crafty)80.27919.7332
literary (not mathematical)80.18218.6294
valedictorian (not drop out)80.038423.727
genuine (not sarcastic)79.913720.0241
thrifty (not extravagant)79.95021.09
chivalrous (not businesslike)79.95823.89
🤐 (not 😜)79.79118.316
reliable (not experimental)79.614621.228
stoic (not hypochondriac)79.69018.016
asexual (not sexual)79.47221.073
reasoned (not instinctual)79.44421.0272
😇 (not 😈)79.216622.317
penny-pincher (not overspender)79.15719.919
pure (not debased)79.115418.4289
pacifist (not ferocious)78.97920.1290
opinionated (not jealous)78.924012.920
workaholic (not slacker)78.959916.086
good-cook (not bad-cook)78.87618.667
no-nonsense (not dramatic)78.810319.0140
gracious (not feisty)78.52718.3185
worldly (not innocent)78.438422.1293
metaphorical (not literal)78.33017.6215
🐘 (not 🐀)78.36323.720
neurotypical (not autistic)78.222719.7264
philosophical (not real)78.12721.7195
consistent (not variable)78.115320.131
interested (not bored)78.023417.284
nerd (not jock)77.837017.8274
independent (not codependent)77.834321.6294
sane (not crazy)77.811619.614
badass (not weakass)77.557922.277
manicured (not scruffy)77.152021.1316
honorable (not cunning)76.924322.5351
efficient (not overprepared)76.912218.727
curious (not apathetic)76.826321.1315
charming (not awkward)76.634419.9335
private (not gregarious)76.525524.1295
scheduled (not spontaneous)76.437118.8296
leisurely (not hurried)76.48717.0331
bright (not depressed)76.314318.7248
smooth (not rough)76.211717.2242
frank (not sugarcoated)76.144619.234
OCD (not ADHD)76.028817.165
👽 (not 🤡)75.811314.014
active (not slothful)75.765015.6227
refined (not rugged)75.630418.2318
street-smart (not sheltered)75.642421.8277
subdued (not exuberant)75.65022.547
believable (not poorly-written)75.552819.533
factual (not exaggerating)75.521125.183
healthy (not sickly)75.347920.4261
interesting (not tiresome)75.142121.6240
realistic (not ambitious)75.16623.971
secretive (not open-book)74.939927.829
chortling (not giggling)74.822818.428
utilitarian (not decorative)74.625121.796
down2earth (not head@clouds)74.525824.0293
romantic (not dispassionate)74.541715.840
fixable (not unfixable)74.514122.324
bashful (not exhibitionist)74.44419.171
accepting (not judgemental)74.220223.7215
highbrow (not lowbrow)74.127720.3281
masculine (not feminine)74.053216.2337
vanilla (not kinky)74.019524.5274
👨‍⚕️ (not 👨‍🔧)74.027023.032
prideful (not envious)74.038814.05
classical (not avant-garde)73.921722.391
mysterious (not unambiguous)73.822225.8277
go-getter (not slugabed)73.872020.017
well behaved (not mischievous)73.720924.1279
🎩 (not 🧢)73.637524.514
poetic (not factual)73.612021.643
one-faced (not two-faced)73.648328.684
washed (not muddy)73.434528.024
sweet (not bitter)73.328219.8257
glad (not mad)73.218417.213
slow-talking (not fast-talking)73.29018.134
mighty (not puny)73.155319.9304
low-tech (not high-tech)73.125022.2223
cultured (not rustic)72.933623.221
deep (not epic)72.75824.485
white knight (not bad boy)72.740422.129
🤺 (not 🏌)72.554223.512
water (not fire)72.417022.958
rational (not whimsical)72.438621.9261
open-minded (not close-minded)72.331421.8366
👻 (not 🤖)72.317819.414
theoretical (not empirical)72.21323.8232
arcane (not mainstream)72.125223.5227
thinker (not doer)72.19921.976
prudish (not flirtatious)72.118418.112
complicated (not simple)72.152127.1237
driven (not unambitious)71.799622.8242
democratic (not authoritarian)71.725523.0274
🐮 (not 🐷)71.48218.321
open to new experinces (not uncreative)71.361422.4279
straight (not queer)71.375023.697
hard-work (not natural-talent)71.336122.381
methodical (not astonishing)71.136823.5244
bold (not shy)71.196319.8330
🤠 (not 🤑)71.138327.918
🎨 (not 🏀)71.055124.076
tailor (not blacksmith)70.941823.331
earth (not air)70.635929.372
decisive (not hesitant)70.563122.8269
gendered (not androgynous)70.496527.0103
feminist (not sexist)70.465322.915
🤔 (not 🤫)70.319326.916
serious (not bold)70.021522.7278
politically correct (not edgy)70.023223.6237
attractive (not repulsive)69.876018.8321
English (not German)69.779426.426
🙋‍♂️ (not 🙅‍♂️)69.732128.123
idealist (not realist)69.527726.999
never cries (not often crying)69.547021.522
tall (not short)69.443914.8247
domestic (not industrial)69.417621.587
🧙 (not 👨‍🚀)69.426628.319
serious (not playful)69.358519.7306
moderate (not extreme)69.016723.6239
tame (not wild)69.023721.5308
👩‍🔬 (not 👩‍🎤)68.734025.219
beautiful (not ugly)68.691618.591
lover (not fighter)68.634523.970
luddite (not technophile)68.522022.2211
morning lark (not night owl)68.521525.3143
extraordinary (not mundane)68.364924.5266
French (not Russian)68.232326.127
accommodating (not stubborn)68.212427.583
stylish (not slovenly)68.157925.2292
musical (not off-key)68.022224.533
joyful (not miserable)67.926521.817
freelance (not corporate)67.556432.825
sunny (not gloomy)67.137224.536
rural (not urban)67.019923.129
contrarian (not yes-man)66.948915.320
funny (not humorless)66.853820.3267
first-mate (not captain)66.849228.4287
rock (not rap)66.895623.912
stoic (not expressive)66.629025.4357
child free (not pronatalist)66.653630.6181
poor (not rich)66.430724.7205
relaxed (not tense)66.213423.9328
chill (not offended)66.224728.830
flower child (not goth)66.260626.420
🥾 (not 👟)66.136730.521
🚴 (not 🏋️‍♂️)65.974621.319
proletariat (not bourgeoisie)65.837228.4221
guarded (not open)65.784726.6282
involved (not remote)65.776126.2228
family-first (not work-first)65.648328.5299
overachiever (not underachiever)65.593024.076
tight (not loose)65.471120.829
important (not irrelevant)65.4103826.818
emotional (not unemotional)65.277526.225
🧗 (not 🛌)65.163320.216
formal (not intimate)64.943928.029
mild (not spicy)64.727225.0239
boy/girl-next-door (not celebrity)64.765825.726
tautology (not oxymoron)64.67625.020
opinionated (not neutral)64.6112228.680
unassuming (not pretentious)64.423624.225
socialist (not libertarian)64.36330.2229
sleepy (not frenzied)64.33713.332
thick-skinned (not sensitive)64.149826.3267
practical (not imaginative)64.167524.7263
metrosexual (not macho)64.159218.126
normie (not freak)64.135225.668
suspicious (not awkward)64.073720.8254
🐿 (not 🦇)63.956027.38
expressive (not monotone)63.868121.216
spelunker (not claustrophobic)63.754327.924
dry (not moist)63.338922.225
pain-avoidant (not masochistic)63.229627.029
traditional (not unorthodox)63.141430.0121
hoarder (not unprepared)62.960116.1228
trusting (not suspicious)62.739727.4296
🐐 (not 🦒)62.757531.915
Italian (not Swedish)62.648927.420
armoured (not vulnerable)62.472127.4208
resistant (not resigned)62.391627.2264
jaded (not innocent)62.180322.317
happy (not sad)62.033121.7262
😏 (not 😬)61.956224.816
ranged (not melee)61.840130.728
regular (not zany)61.731423.917
proactive (not reactive)61.725131.114
cryptic (not straightforward)61.319729.3288
haunted (not blissful)61.283927.063
🥰 (not 🙃)61.152931.122
reserved (not chatty)60.657126.1282
f***-the-police (not tattle-tale)60.677928.729
sheriff (not outlaw)60.557725.6256
😀 (not 😭)60.549928.624
patriotic (not unpatriotic)60.490220.816
folksy (not presidential)60.447028.438
average (not deviant)60.333026.4180
outsider (not insider)60.255526.8231
Coke (not Pepsi)60.232932.256
country-bumpkin (not city-slicker)60.132124.622
logical (not emotional)59.949125.5311
purple (not orange)59.347327.7194
normal (not weird)59.142425.1328
picky (not always down)59.067521.621
provincial (not cosmopolitan)58.847432.7212
dramatic (not comedic)58.594523.586
builder (not explorer)58.456628.4321
slow (not fast)58.324624.6283
common sense (not analysis)58.234928.418
🥳 (not 🥴)58.140920.315
soft (not hard)57.855523.0234
playful (not shy)57.7100321.3277
blue-collar (not ivory-tower)57.466528.7252
long-winded (not concise)57.451431.816
focused on the present (not focused on the future)57.357729.2242
soft (not hard)57.255423.6100
realistic (not fantastical)57.276325.287
conventional (not creative)57.156227.0327
radical (not centrist)57.164428.724
cheery (not sorrowful)56.949523.2315
repetitive (not varied)56.976627.2111
cynical (not gullible)56.987326.926
fortunate (not unlucky)56.854826.7259
🎃 (not 💀)56.658227.848
impartial (not biased)56.515929.5217
circular (not linear)56.451230.319
dominant (not submissive)56.397723.8291
specialist (not generalist)56.383432.296
💝 (not 💔)56.367231.215
🦄 (not 🐴)56.352432.614
precise (not vague)56.097729.7164
conservative (not liberal)55.844332.823
basic (not hipster)55.787428.1248
serene (not pensive)55.512330.865
aloof (not obsessed)55.125623.9269
distant (not touchy-feely)55.177629.918
eastern (not western)55.019722.715
dog person (not cat person)54.968731.219
social (not reclusive)54.879224.722
geriatric (not vibrant)54.833418.721
statist (not anarchist)54.772129.824
machiavellian (not transparent)54.769328.226
flourishing (not traumatized)54.341424.924
demanding (not unchallenging)54.2119726.685
📈 (not 📉)54.0104622.810
oppressed (not privileged)54.046530.223
lighthearted (not intense)54.041925.328
forward-thinking (not stuck-in-the-past)54.080226.268
everyman (not chosen one)54.061130.426
political (not nonpolitical)53.984233.0261
timid (not cocky)53.833523.724
quirky (not predictable)53.873924.628
adventurous (not stick-in-the-mud)53.788626.6211
passive (not assertive)53.534925.1231
cool (not dorky)53.584130.017
🐩 (not 🐒)53.576530.311
conspiracist (not sheeple)53.3104624.6203
cheesy (not chic)53.379021.019
punk rock (not preppy)53.261528.824
multicolored (not monochrome)52.971233.194
strict (not lenient)52.885125.5334
🥵 (not 🥶)52.880620.246
alpha (not beta)52.796025.8213
'right-brained' (not 'left-brained')52.751727.2144
official (not backdoor)52.765128.8333
obedient (not rebellious)52.655828.5259
😎 (not 🧐)52.678735.516
introvert (not extrovert)52.261126.8264
thick (not thin)52.257820.6166
triggered (not trolling)52.2107522.025
brave (not careful)52.0101026.9325
meek (not bossy)51.743622.0290
low self esteem (not narcissistic)51.754918.833
artistic (not scientific)51.673526.1287
summer (not winter)51.481133.318
roundabout (not direct)51.341830.3276
trusting (not charming)51.269730.0314
flexible (not rigid)51.264624.7237
abstract (not concrete)51.062134.021
subjective (not objective)50.882629.8101
Roman (not Greek)50.288529.614
paranoid (not naive)50.2105916.721
transient (not permanent)50.464131.5138

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 Derrial Book based on their crowd-sourced profiles are listed below with the correlation in parenthesis.

Most similar Least similar
  1. Obi-Wan Kenobi (0.914)
  2. Alfred Pennyworth (0.877)
  3. Marmee March (0.856)
  4. Donald Mallard (0.846)
  5. Francis Mulcahy (0.841)
  6. Lester Freamon (0.835)
  7. Ellis Boyd 'Red' Redding (0.829)
  8. Carlisle Cullen (0.82)
  9. Elsie Carson (0.816)
  10. Andy Dufresne (0.809)
  1. Joffrey Baratheon (-0.713)
  2. The Deep (-0.693)
  3. Ziggy Sobotka (-0.687)
  4. Jonah Ryan (-0.68)
  5. Arturo Roman (-0.662)
  6. Lisa (-0.661)
  7. Dee Reynolds (-0.66)
  8. Dennis Nedry (-0.656)
  9. Joey Donner (-0.655)
  10. Krusty the Clown (-0.65)

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.



  Updated: 28 April 2021
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