Why incompetent people think they're amazing - David Dunning

11,639,562 views ・ 2017-11-09

TED-Ed


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Prevoditelj: Jasna Matek Recezent: Ivan Stamenković
00:07
Are you as good at things as you think you are?
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Jeste li toliko dobri koliko mislite?
00:10
How good are you at managing money?
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Koliko dobro raspolažete novcem?
00:13
What about reading people's emotions?
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Kakvi ste u čitanju ljudskih emocija?
00:16
How healthy are you compared to other people you know?
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Koliko ste zdravi u usporedbi s ostalima koje znate?
00:20
Are you better than average at grammar?
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Jeste li nadprosječni u gramatici?
00:23
Knowing how competent we are
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Znati koliko smo sposobni
00:24
and how are skill stack up against other people's
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i kakve su naše vještine u usporedbi s drugima
00:27
is more than a self-esteem boost.
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više je od običnog podizanja samopouzdanja.
00:30
It helps us figure out when we can forge ahead on our own decisions and instincts
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To nam pomaže shvatiti kad možemo nastaviti s odlukama i instinktima
00:34
and when we need, instead, to seek out advice.
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i kad, umjesto toga, trebamo potražiti savjet.
00:39
But psychological research suggests that we're not very good
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No, psihološko istraživanje pokazuje da nismo naročito dobri
00:42
at evaluating ourselves accurately.
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u točnom prosuđivanju samih sebe.
00:45
In fact, we frequently overestimate our own abilities.
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Zapravo, često precijenjujemo vlastite sposobnosti.
00:50
Researchers have a name for this phenomena,
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Znanstvenici imaju naziv za ovaj fenomen,
00:52
the Dunning-Kruger effect.
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Dunning-Krugerov efekt.
00:55
This effect explains why more than 100 studies
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To objašnjava zašto je više od 100 studija
00:58
have shown that people display illusory superiority.
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pokazalo da ljudi posjeduju iluzornu superiornost.
01:02
We judge ourselves as better than others
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Sudimo sebi samima bolje nego ostalima
01:04
to a degree that violates the laws of math.
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do te mjere da to prkosi matematičkim zakonima.
01:08
When software engineers at two companies were asked to rate their performance,
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Kad su programeri dviju kompanija trebali ocijeniti svoj rad,
01:12
32% of the engineers at one company and 42% at the other
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32% programera jedne kompanije i 42% druge
01:17
put themselves in the top 5%.
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stavili su se u prvih 5%.
01:21
In another study, 88% of American drivers
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U drugoj studiji, 88% američkih vozača
01:25
described themselves as having above average driving skills.
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opisali su svoje vozačke sposobnosti kao nadprosječne.
01:29
These aren't isolated findings.
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To nisu jedinstveni rezultati.
01:31
On average, people tend to rate themselves better than most
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U prosjeku, ljudi sebe ocjenjuju bolje nego ostale
01:34
in disciplines ranging from health, leadership skills, ethics, and beyond.
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na različitim poljima - od zdravlja, vodstva, etike itd.
01:42
What's particularly interesting is that those with the least ability
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Ono što je posebno zanimljivo je da najmanje sposobni ljudi
01:45
are often the most likely to overrate their skills to the greatest extent.
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često najviše precijenjuju svoje vještine.
01:50
People measurably poor at logical reasoning,
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Ljudi koji su slabi u logičkom prosuđivanju,
01:53
grammar,
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gramatici,
01:54
financial knowledge,
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financijskom 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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provođenju laboratorijskih 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 ocjenjuju svoju stručnost gotovo jednako kao i pravi stručnjaci.
02:08
So who's most vulnerable to this delusion?
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Pa, tko je najpodložniji ovoj zabludi?
02:11
Sadly, all of us because we all have pockets of incompetence
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Nažalost, svi mi jer svi imamo rupe u znanju i sposobnostima
02:15
we don't recognize.
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koje ne prepoznajemo.
02:18
But why?
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Ali zašto?
02:19
When psychologists Dunning and Kruger first described the effect in 1999,
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Kad su psiholozi Dunning i Kruger prvi put 1999. godine opisali efekt,
02:24
they argued that people lacking knowledge and skill in particular areas
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tvrdili su da ljudi s manjkom znanja i vještina u određenim područjima
02:28
suffer a double curse.
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imaju dvostruko prokletstvo.
02:31
First, they make mistakes and reach poor decisions.
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Prvo, čine 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 sprječavaju da primijete svoje greške.
02:40
In other words, poor performers lack the very expertise needed
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Drugim riječima, oni sa slabijom izvedbom nemaju stručnost
02:44
to recognize how badly they're doing.
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prepoznati koliko im loše ide.
02:47
For example, when the researchers studied
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Primjerice, kad su znanstvenici proučavali
02:49
participants in a college debate tournament,
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sudionike u sveučilišnom debatnom turniru,
02:51
the bottom 25% of teams in preliminary rounds
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posljednjih 25% timova u kvalifikacijskom krugu
02:55
lost nearly four out of every five matches.
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izgubilo je gotovo četiri od pet rundi.
02:59
But they thought they were winning almost 60%.
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No, mislili su da su pobjeđivali gotovo 60%.
03:03
WIthout a strong grasp of the rules of debate,
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Bez dobrog razumijevanja pravila debate,
03:06
the students simply couldn't recognize when or how often
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studenti jednostavno nisu mogli prepoznati kada ili koliko često
03:09
their arguments broke down.
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su njihovi argumenti bili pobijeni.
03:12
The Dunning-Kruger effect isn't a question of ego blinding us to our weaknesses.
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Dunning-Krugerov efekt nije pitanje ega koje nas sprječava da vidimo naše slabosti.
03:17
People usually do admit their deficits once they can spot them.
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Ljudi obično priznaju svoje nedostatke onda kad ih primijete.
03:21
In one study, students who had initially done badly on a logic quiz
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U jednoj studiji, studenti koji su prvotno imali loše rezultate na logičkom testu,
03:25
and then took a mini course on logic
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a onda su sudjelovali na mini-tečaju iz logike,
03:28
were quite willing to label their original performances as awful.
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bili su poprilično spremni grozno ocijeniti svoje prve rezultate.
03:34
That may be why people with a moderate amount of experience or expertise
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Možda zato ljudi s osrednjim iskustvom ili stručnošću
03:38
often have less confidence in their abilities.
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često imaju manje vjere u svoje sposobnosti.
03:41
They know enough to know that there's a lot they don't know.
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Imaju dovoljno pameti da znaju da postoji puno toga što ne znaju.
03:44
Meanwhile, experts tend to be aware of just how knowledgeable they are.
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Isto tako, stručnjaci su svjesni točno koliko su stručni.
03:49
But they often make a different mistake:
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No, često čine drugačiju grešku:
03:51
they assume that everyone else is knowledgeable, too.
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pretpostavljaju da su i svi ostali također stručni.
03:56
The result is that people, whether they're inept or highly skilled,
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Rezultat je da bez obzira koliko su ljudi nesposobni ili vješti,
04:00
are often caught in a bubble of inaccurate self-perception.
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često se zateknu u vrtlogu netočnog samopoimanja.
04:04
When they're unskilled, they can't see their own faults.
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Ako su nevješti, ne vide vlastite greške.
04:07
When they're exceptionally competent,
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Ako su neobično kompetentni,
04:09
they don't perceive how unusual their abilities are.
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ne doživljavaju svoje sposobnosti toliko nevjerojatnima.
04:14
So if the Dunning-Kruger effect is invisible to those experiencing it,
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Pa, ako je Dunning-Krugerov efekt 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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što možete učiniti da biste saznali koliko ste zapravo dobri u nekim stvarima?
04:24
First, ask for feedback from other people,
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Prvo, tražite povratnu informaciju
04:27
and consider it, even if it's hard to hear.
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i uzmite je u obzir, čak i ako vam ne paše.
04:30
Second, and more important, keep learning.
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Drugo, još važnije, nastavite učiti.
04:33
The more knowledgeable we become,
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Što smo obrazovaniji,
04:34
the less likely we are to have invisible holes in our competence.
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manje je vjerojatno da ćemo imati nevidljive rupe u svojim sposobnostima.
04:40
Perhaps it all boils down to that old proverb:
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Možda se sve svodi na onu staru poslovicu:
04:43
When arguing with a fool,
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Kad se svađate s budalom,
04:44
first make sure the other person isn't doing the same thing.
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prvo provjerite da i druga osoba ne čini to isto.
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