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Self-Deception

TagLast edit: 1 Oct 2020 21:44 UTC by Ruby

Self-deception is a state of preserving a wrong belief, often facilitated by denying or rationalizing away the relevance, significance, or importance of opposing evidence and logical arguments. Beliefs supported by self-deception are often chosen for reasons other than how closely those beliefs approximate truth.

Related: Anticipated Experiences, Motivated Reasoning, Rationalization

On LessWrong, a common distinction is between beliefs as expectation-controllers and other things people commonly label as beliefs. When these different things conflict, a person is said to have engaged in self-deception.

Deceiving yourself is harder than it seems. What looks like a successively adopted false belief may actually be just a belief in false belief.

An example from No, Really, I’ve Deceived Myself:

When this woman was in high school, she thought she was an atheist. But she decided, at that time, that she should act as if she believed in God. And then—she told me earnestly—over time, she came to really believe in God.

So far as I can tell, she is completely wrong about that. Always throughout our conversation, she said, over and over, “I believe in God”, never once, “There is a God.” When I asked her why she was religious, she never once talked about the consequences of God existing, only about the consequences of believing in God. Never, “God will help me”, always, “my belief in God helps me”. When I put to her, “Someone who just wanted the truth and looked at our universe would not even invent God as a hypothesis,” she agreed outright.

She hasn’t actually deceived herself into believing that God exists or that the Jewish religion is true. Not even close, so far as I can tell.

On the other hand, I think she really does believe she has deceived herself.

Blog posts

Sequence by Eliezer Yudkowsky

Part of How To Actually Change Your Mind sequence

Other resources

See also

No, Really, I’ve De­ceived Myself

Eliezer Yudkowsky4 Mar 2009 23:29 UTC
93 points
83 comments2 min readLW link

Forc­ing your­self to keep your iden­tity small is self-harm

G Gordon Worley III3 Apr 2021 14:03 UTC
21 points
9 comments2 min readLW link

Dou­ble­think (Choos­ing to be Bi­ased)

Eliezer Yudkowsky14 Sep 2007 20:05 UTC
56 points
167 comments4 min readLW link

The Loud­est Alarm Is Prob­a­bly False

orthonormal2 Jan 2018 16:38 UTC
112 points
25 comments2 min readLW link

Eth­i­cal Injunctions

Eliezer Yudkowsky20 Oct 2008 23:00 UTC
47 points
76 comments9 min readLW link

Don’t Believe You’ll Self-Deceive

Eliezer Yudkowsky9 Mar 2009 8:03 UTC
26 points
69 comments2 min readLW link

Belief in Self-Deception

Eliezer Yudkowsky5 Mar 2009 15:20 UTC
74 points
112 comments4 min readLW link

Book Re­view: The Elephant in the Brain

Zvi31 Dec 2017 17:30 UTC
42 points
9 comments31 min readLW link
(thezvi.wordpress.com)

Self-de­cep­tion: Hypocrisy or Akra­sia?

Eliezer Yudkowsky26 Mar 2007 17:03 UTC
48 points
21 comments2 min readLW link

Ne­go­ti­at­ing With Yourself

orthonormal26 Jun 2020 23:55 UTC
23 points
0 comments5 min readLW link

The Third Alternative

Eliezer Yudkowsky6 May 2007 23:47 UTC
95 points
83 comments3 min readLW link

Belief in Belief

Eliezer Yudkowsky29 Jul 2007 17:49 UTC
116 points
176 comments5 min readLW link

Al­gorith­mic In­tent: A Han­so­nian Gen­er­al­ized Anti-Zom­bie Principle

Zack_M_Davis14 Jul 2020 6:03 UTC
34 points
17 comments12 min readLW link

Of Two Minds

Valentine17 May 2018 4:34 UTC
88 points
12 comments2 min readLW link

Strate­gic ig­no­rance and plau­si­ble deniability

Kaj_Sotala10 Aug 2011 9:30 UTC
57 points
58 comments4 min readLW link

A cyn­i­cal ex­pla­na­tion for why ra­tio­nal­ists worry about FAI

aaronsw4 Aug 2012 12:27 UTC
28 points
182 comments1 min readLW link

Self-skep­ti­cism: the first prin­ci­ple of rationality

aaronsw6 Aug 2012 0:51 UTC
49 points
106 comments2 min readLW link

“Ra­tion­al­iz­ing” and “Sit­ting Bolt Upright in Alarm.”

Raemon8 Jul 2019 20:34 UTC
30 points
57 comments4 min readLW link

The Just World Hypothesis

michael_vassar29 Oct 2017 6:03 UTC
14 points
10 comments3 min readLW link

The Haters Gonna Hate Fallacy

Kaj_Sotala22 Sep 2020 12:20 UTC
46 points
6 comments1 min readLW link
(kajsotala.fi)

Un­wit­ting cult leaders

Kaj_Sotala11 Feb 2021 11:10 UTC
89 points
5 comments3 min readLW link
(kajsotala.fi)

Shut Up And Guess

Scott Alexander21 Jul 2009 4:04 UTC
110 points
109 comments5 min readLW link

Si­mul­ta­neously Right and Wrong

Scott Alexander7 Mar 2009 22:55 UTC
105 points
62 comments3 min readLW link

The Bias You Didn’t Expect

Psychohistorian14 Apr 2011 16:20 UTC
126 points
92 comments2 min readLW link

The Strangest Thing An AI Could Tell You

Eliezer Yudkowsky15 Jul 2009 2:27 UTC
101 points
601 comments2 min readLW link

Your Ra­tion­al­ity is My Business

Eliezer Yudkowsky15 Apr 2007 7:31 UTC
106 points
28 comments3 min readLW link

Ends Don’t Jus­tify Means (Among Hu­mans)

Eliezer Yudkowsky14 Oct 2008 21:00 UTC
94 points
94 comments4 min readLW link

The Im­por­tance of Say­ing “Oops”

Eliezer Yudkowsky5 Aug 2007 3:17 UTC
103 points
27 comments2 min readLW link

A Dialogue On Doublethink

LoganStrohl11 May 2014 19:38 UTC
81 points
108 comments11 min readLW link

Singlethink

Eliezer Yudkowsky6 Oct 2007 19:24 UTC
63 points
26 comments2 min readLW link

What I Tell You Three Times Is True

Scott Alexander2 May 2009 23:47 UTC
54 points
32 comments4 min readLW link

Ab­solute de­nial for atheists

taw16 Jul 2009 15:41 UTC
50 points
605 comments1 min readLW link

Trivers on Self-Deception

Scott Alexander12 Jul 2011 21:04 UTC
54 points
25 comments4 min readLW link

Ra­tion­al­ity Is Not Sys­tem­atized Winning

namespace11 Nov 2018 22:05 UTC
36 points
20 comments1 min readLW link
(www.thelastrationalist.com)

If we can’t lie to oth­ers, we will lie to ourselves

paulfchristiano26 Nov 2016 22:29 UTC
35 points
24 comments1 min readLW link
(sideways-view.com)

Belief in Belief vs. Internalization

Desrtopa29 Nov 2010 3:12 UTC
40 points
59 comments2 min readLW link

On self-deception

irrational5 Oct 2011 18:46 UTC
42 points
83 comments6 min readLW link

A Re­fu­ta­tion of (Global) “Hap­piness Max­i­miza­tion”

fare25 Aug 2020 20:33 UTC
−2 points
4 comments15 min readLW link

How to reach 80% of your goals. Ex­actly 80%.

Stuckwork10 Oct 2020 17:33 UTC
31 points
11 comments1 min readLW link

I be­lieve it’s doublethink

kerspoon21 Feb 2012 22:30 UTC
32 points
32 comments3 min readLW link

“Self-pre­tend­ing” is not as use­ful as we think

pwno25 Apr 2009 23:01 UTC
4 points
15 comments1 min readLW link

Epistemic vs. In­stru­men­tal Ra­tion­al­ity: Case of the Leaky Agent

Wei_Dai7 May 2009 23:09 UTC
18 points
22 comments1 min readLW link

Lie to me?

pwno24 Jun 2009 21:56 UTC
−1 points
32 comments1 min readLW link

Notes on Fairness

David_Gross7 Dec 2020 18:52 UTC
18 points
4 comments7 min readLW link

“The Book Of Mor­mon” or Belief In Belief, The Musical

Raw_Power14 Feb 2012 14:48 UTC
14 points
34 comments4 min readLW link

Magic Shoes

onur24 Mar 2021 21:14 UTC
10 points
0 comments3 min readLW link
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