Perusing the General Social Survey data, I discovered the following powerful correlation between how much one trusts other people and one’s verbal IQ (as measured by the Wordsum vocabulary test):
TRUST 163. A. Generally speaking, would you say that most people can be trusted or that you can't be too careful in life.
| Frequency Distribution |
Cells contain: -Row percent -N of cases |
TRUST |
1 CAN TRUST |
2 CANNOT TRUST |
3 DEPENDS |
ROW TOTAL |
| WORDSUM |
0 |
19.6 15 |
75.3 59 |
5.1 4 |
100.0 78 |
| 1 |
13.3 23 |
80.6 140 |
6.1 11 |
100.0 174 |
| 2 |
19.2 57 |
77.6 229 |
3.2 9 |
100.0 295 |
| 3 |
20.1 118 |
76.9 450 |
3.0 18 |
100.0 585 |
| 4 |
25.0 260 |
71.5 744 |
3.4 35 |
100.0 1,040 |
| 5 |
32.7 541 |
64.2 1,064 |
3.1 52 |
100.0 1,657 |
| 6 |
37.6 849 |
59.0 1,333 |
3.5 79 |
100.0 2,261 |
| 7 |
44.1 714 |
52.1 843 |
3.9 63 |
100.0 1,620 |
| 8 |
50.6 541 |
43.5 465 |
5.9 63 |
100.0 1,069 |
| 9 |
60.0 496 |
33.9 280 |
6.1 51 |
100.0 827 |
| 10 |
64.9 412 |
26.3 167 |
8.8 56 |
100.0 634 |
| COL TOTAL |
39.3 4,026 |
56.4 5,775 |
4.3 440 |
100.0 10,241 |
I have to say I was completely shocked to discover such a powerful link between two seemingly unrelated variables.
There are two other questions similar to the TRUST question and they both have the same very powerful correlation with verbal IQ:
HELPFUL 161. Would you say that most of the time people try to be helpful, or that they are mostly just looking out for themselves?
FAIR 162. Do you think most people would try to take advantage of you if they got a chance, or would they try to be fair?
All three of these questions seem to be measuring the same thing, whether one has a positive or negative view of other people’s motives. In fact, it’s probably a waste that the GSS has all three of these questions, just the TRUST question would have sufficed.
In order to more accurately measure respondents’ view other people’s motives, I created a composite variable using TRUST, HELPFUL and FAIR, and then did a multiple regression analysis.
Below are the correlates of one’s view of other people’s motives, in descending order of statistical significance:
(1) Black (t=-16.4): black people have a negative view of others compared to white people.
(2) Age (t=13.3): as people get older they have a more positive view of others.
(3) Verbal IQ (t=12.9): smarter people have a more positive view of others (as you can observe from the chart above).
(4) Educational attainment (t=8.5): as educational attainment increases, so does one’s positive view of others.
(5) Family income (t=7.1): higher income predicts a more positive view of others.
(6) Italian (t=-3.5) Italian Americans have a more negative view of others.
(7) Female (t=2.9): women have a more positive view of others.
(8) Jewish (t=-1.4): Jews have a more negative view of others.
I am open to suggestions regarding these unusually strong correlations, but here is my best guess for this phenomenon. A person’s view of other people’s motives is based nearly entirely on environment. If the people you know are bad people, you will have a negative view of others. If the people you know are civil and well mannered, then you will have a positive view of others.
As a person’s class increases (based on verbal IQ, income, and educational attainment), he tends to hang with a better class of people, so he develops a more positive view of others. Despite my blog posts in which I feel sympathy for poor people, I have to acknowledge the fact that as people drop in class, their level of civility severely decreases. If you live in a housing project where people are being shot at, mugged, and the building is constantly vandalized and spray painted with graffiti, you’re going to develop a pretty negative view of people.
One of the primary reasons that people work so hard in the rat race to raise their income a bit is so they don’t have to live with the poor people who are pretty despicable neighbors.
The effect of the other variables is similarly based on the fact that you tend to associate with people like yourself, and your view of others is based on the people you know.
As people age they tend to get nicer. Most of the people in prison are young. Because older people have older acquaintances they develop a more positive view of others.
A disproportionate share of black people tend to be not very nice. This is why the prisons are full of black people. Because blacks tend to know other black people, they develop an extremely negative view of others compared to whites of the same level of IQ, income, and education.
Women tend to have more friends who are women, so they develop a more positive view of others. The prisons are full of mostly men.
Jews are more likely to have a negative view of others. It’s important to note that this relation only comes up in a multiple regression analysis. If you crosstabulate the TRUST question with respondent’s religion, Jews actually come out as the most trusting religion. But they ought to come out even higher based on their increased propensity to earn more money, be smarter, and have higher educational attainment.
I explain the negative relationship based on my previous observation that stereotypes of Jews being sneaky are actually true. Because Jews tend to know other Jews, they develop a more negative view of others’ motives.
A more politically correct explanation would be that Jews are more paranoid because they are a minority.
Italians also have a high level of dishonesty compared to other nationalities, so this explains why they also have a more negative view of others’ motives. But once again, people could explain this on account of Italians being a discriminated against minority.
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