Why incompetent people think they're amazing - David Dunning

11,660,320 views ・ 2017-11-09

TED-Ed


Please double-click on the English subtitles below to play the video.

Prevodilac: Milenka Okuka Lektor: Mile Živković
00:07
Are you as good at things as you think you are?
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Da li ste dobri u stvarima onoliko koliko mislite da jeste?
00:10
How good are you at managing money?
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Koliko ste dobri u upravljanju novcem?
00:13
What about reading people's emotions?
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Šta je sa čitanjem ljudskih emocija?
00:16
How healthy are you compared to other people you know?
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Koliko ste zdravi u poređenju sa drugim ljudima koje poznajete?
00:20
Are you better than average at grammar?
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Da li ste u proseku bolji u gramatici?
00:23
Knowing how competent we are
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Poznavanje svoje stručnosti
00:24
and how are skill stack up against other people's
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i kako naše veštine stoje u poređenju sa drugim ljudima
00:27
is more than a self-esteem boost.
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je više od jačanja samopouzdanja.
00:30
It helps us figure out when we can forge ahead on our own decisions and instincts
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Pomaže nam da shvatimo kada možemo da se držimo naših odluka i instinkata,
00:34
and when we need, instead, to seek out advice.
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a kada nam je, umesto toga, potrebno da tražimo savet.
00:39
But psychological research suggests that we're not very good
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Međutim psihološka istraživanja nagoveštavaju da nismo naročito dobri
00:42
at evaluating ourselves accurately.
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u preciznoj samoproceni.
00:45
In fact, we frequently overestimate our own abilities.
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Zapravo, često precenjujemo sopstvene sposobnosti.
00:50
Researchers have a name for this phenomena,
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Istraživači imaju naziv za ovu pojavu,
00:52
the Dunning-Kruger effect.
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Daning-Krugerov efekat.
00:55
This effect explains why more than 100 studies
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Ovaj efekat objašnjava zašto je preko 100 istraživanja
00:58
have shown that people display illusory superiority.
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utvrdilo da ljudi pokazuju iluzornu superiornost.
01:02
We judge ourselves as better than others
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Cenimo sebe kao bolje od drugih
01:04
to a degree that violates the laws of math.
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u meri koja narušava zakone matematike.
01:08
When software engineers at two companies were asked to rate their performance,
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Kada su softverski inženjeri u dve firme upitani da ocene svoj učinak,
01:12
32% of the engineers at one company and 42% at the other
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32% inženjera iz jedne firme i 42% iz druge
01:17
put themselves in the top 5%.
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je stavilo sebe u 5% najboljih.
01:21
In another study, 88% of American drivers
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U drugom istraživanju, 88% američkih vozača
01:25
described themselves as having above average driving skills.
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su opisali sebe kao nekoga ko ima natprosečne veštine vožnje.
01:29
These aren't isolated findings.
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Ovo nisu izolovana otkrića.
01:31
On average, people tend to rate themselves better than most
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U proseku, ljudi su skloni tome da sebe ocenjuju kao bolje od većine
01:34
in disciplines ranging from health, leadership skills, ethics, and beyond.
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u disciplinama koje sežu od zdravlja, veština predvodništva, etike itd.
01:42
What's particularly interesting is that those with the least ability
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Naročito je zanimljivo to da su oni najnesposobniji
01:45
are often the most likely to overrate their skills to the greatest extent.
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često najskloniji precenjivanju svojih veština u najvećoj meri.
01:50
People measurably poor at logical reasoning,
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Ljudi koji su vidno loši u logičkom zaključivanju,
01:53
grammar,
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gramatici,
01:54
financial knowledge,
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finansijskom znanju,
01:55
math,
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01:55
emotional intelligence,
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matematici,
emocionalnoj inteligenciji,
01:57
running medical lab tests,
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izvođenju laboratorijskih medicinskih testova
01:59
and chess
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i šahu,
02:00
all tend to rate their expertise almost as favorably as actual experts do.
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svi su skloni ocenjivanju svoje stručnosti skoro jednako povoljno kao stručnjaci.
02:08
So who's most vulnerable to this delusion?
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Pa, ko je najpodložniji ovoj obmani?
02:11
Sadly, all of us because we all have pockets of incompetence
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Na žalost, svi mi jer svi mi imamo parčiće nesposobnosti
02:15
we don't recognize.
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koje ne prepoznajemo.
02:18
But why?
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Međutim zašto?
02:19
When psychologists Dunning and Kruger first described the effect in 1999,
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Kada su psiholozi Daning i Kruger prvi put opisali ovaj efekat 1999,
02:24
they argued that people lacking knowledge and skill in particular areas
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tvrdili su da ljudi kojima manjka znanja i veština u određenim oblastima
02:28
suffer a double curse.
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pate od dvostruke kletve.
02:31
First, they make mistakes and reach poor decisions.
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Prvo, prave greške i donose loše odluke.
02:35
But second, those same knowledge gaps also prevent them from catching their errors.
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Ali, drugo, te iste rupe u znanju ih sprečavaju i da zapaze svoje greške.
02:40
In other words, poor performers lack the very expertise needed
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Drugim rečima, lošim znalcima nedostaje baš ona stručnost koja ima je potrebna
02:44
to recognize how badly they're doing.
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da uvide koliko im loše ide.
02:47
For example, when the researchers studied
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Na primer, kada su istraživači izučavali
02:49
participants in a college debate tournament,
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učesnike na fakultetskom turniru debate,
02:51
the bottom 25% of teams in preliminary rounds
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najlošijih 25% ekipa u preliminarnim rundama
02:55
lost nearly four out of every five matches.
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je izgubilo četiri od svakih pet mečeva.
02:59
But they thought they were winning almost 60%.
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Međutim, smatrali su da pobeđuju u skoro 60%.
03:03
WIthout a strong grasp of the rules of debate,
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Bez jasnog razumevanja pravila debate,
03:06
the students simply couldn't recognize when or how often
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studenti prosto nisu mogli da prepoznaju kada ili koliko često
03:09
their arguments broke down.
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su njihovi argumenti pobijeni.
03:12
The Dunning-Kruger effect isn't a question of ego blinding us to our weaknesses.
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Daning-Krugerov efekat nije pitanje toga da smo zbog ega slepi za naše slabosti.
03:17
People usually do admit their deficits once they can spot them.
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Ljudi često priznaju svoje nedostatke kada uspeju da ih spaze.
03:21
In one study, students who had initially done badly on a logic quiz
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U jedom istraživanju, đaci koji su prvobitno loše prošli na logičkom kvizu
03:25
and then took a mini course on logic
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a potom su pohađali kraći kurs logike
03:28
were quite willing to label their original performances as awful.
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su bili prilično voljni da označe prvobitni učinak kao užasan.
03:34
That may be why people with a moderate amount of experience or expertise
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Možda zbog toga ljudi sa umerenom količinom iskustva i stručnosti
03:38
often have less confidence in their abilities.
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često imaju manje samopouzdanja u svoje sposobnosti.
03:41
They know enough to know that there's a lot they don't know.
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Znaju dovoljno da znaju kako ima mnogo toga što ne znaju.
03:44
Meanwhile, experts tend to be aware of just how knowledgeable they are.
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U međuvremenu, stručnjaci su svesni toga koliko znaju.
03:49
But they often make a different mistake:
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Međutim, često prave drugačiju grešku:
03:51
they assume that everyone else is knowledgeable, too.
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pretpostavljaju da svi ostali znaju koliko i oni.
03:56
The result is that people, whether they're inept or highly skilled,
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Iz toga proishodi da ljudi, bilo da su nevični ili visoko kvalifikovani,
04:00
are often caught in a bubble of inaccurate self-perception.
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često su zarobljeni u mehuru netačne samoprocene.
04:04
When they're unskilled, they can't see their own faults.
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Kada su nevični, ne mogu da vide sopstvene mane.
04:07
When they're exceptionally competent,
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Kada su izuzetno kompetentni,
04:09
they don't perceive how unusual their abilities are.
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ne uviđaju koliko su neobične njihove sposobnosti.
04:14
So if the Dunning-Kruger effect is invisible to those experiencing it,
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Pa, ako je Daning-Krugerov efekat nevidljiv onima koji ga doživljavaju,
04:18
what can you do to find out how good you actually are at various things?
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šta možete da uradite da otkrijete koliko ste zaista dobri u raznim stvarima?
04:24
First, ask for feedback from other people,
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Prvo, pitajte druge ljude za povratnu informaciju
04:27
and consider it, even if it's hard to hear.
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i razmotrite je, čak iako vam ne prija.
04:30
Second, and more important, keep learning.
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Drugo, i još važnije, nastavite da učite.
04:33
The more knowledgeable we become,
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Što smo obučeniji,
04:34
the less likely we are to have invisible holes in our competence.
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to smo manje skloni da imamo nevidjive rupe u našoj sposobnosti.
04:40
Perhaps it all boils down to that old proverb:
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Možda se sve svodi na staru poslovicu:
04:43
When arguing with a fool,
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Kada se raspravljate sa budalom,
04:44
first make sure the other person isn't doing the same thing.
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prvo se postarajte da i druga osoba ne radi to isto.
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