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行動 vs. 不行動の後悔

私立大学に通うか、同等の公立大学を選ぶか

行動した場合

私立の4年制大学

17%

行動しなかった場合

公立の4年制大学

14%

それぞれの選択を後で後悔した人の割合。バーと完全な記録は下に表示されます。


キャリア

最終確認 2026-05-01

証拠の質 4.38/5

8次元のレビュー評価。基準は 品質ルーブリック 。各次元は1〜5で評価。

D1 出典の検証
5/5
D2 出典の権威性と独立性
4/5
D3 後悔率の正確性
2/5
D4 出典の比較可能性
5/5
D5 ギロヴィッチ・パターン
5/5
D6 文章の質
5/5
D7 注意事項の完全性
5/5
D8 サンプルの質
4/5
平均 4.38/5
Two university campuses seen from above, one with a manicured courtyard and one with a sprawling modern campus.

行動への後悔

私立の4年制大学

17%

私立大学卒業生の17%が学位は経済的コストに見合わなかったと回答(代替指標)

私立非営利4年制大学に通った米国成人、全国代表

遡及的、固定期間なし

不作為への後悔

公立の4年制大学

14%

公立大学卒業生の14%が学位は経済的コストに見合わなかったと回答(代替指標)

公立4年制大学に通った米国成人、全国代表

遡及的、固定期間なし

この選択を後悔した割合

balanced — ほぼ均衡 — どちらの選択も同程度の後悔を伴います。

関連する決断

意味的に類似する決断 — 同じ領域、異なるトレードオフ。

career直接

中退 vs. 学位取得

この選択を後悔した割合

行動が優勢

行動の後悔が1.1倍高い

career直接

大学の専攻

この選択を後悔した割合

不作為が優勢

不作為の後悔が1.6倍高い

career

大学進学の決断

この選択を後悔した割合

行動が優勢

行動の後悔が1.2倍高い

金融

奨学金ローン vs. 安価な道

この選択を後悔した割合

不作為が優勢

不作為の後悔が1.3倍高い

career

AIによる学業課題

この選択を後悔した割合

均衡

ほぼ均衡

family

私立 vs 公立

この選択を後悔した割合

不作為が優勢

不作為の後悔が3.2倍高い

career

給与交渉

この選択を後悔した割合

不作為が優勢

不作為の後悔が1.2倍高い

career

韓国:公務員 vs. 民間企業

この選択を後悔した割合

行動が優勢

行動の後悔が1.6倍高い

Only 17% of private-university graduates had not yet seen a financial payoff from their degree, compared with 14% of public-university graduates, according to a 2014 Pew Research Center survey of 2,002 US adults. The difference is three percentage points — within the margin of error — making this one of the clearest “balanced” findings in the regret literature. This is a payoff-to-date question, not a direct “was it worth the cost” regret item: of the 17% of private graduates without a payoff yet, a further 5% told Pew they expect their education to pay off in the future, leaving only about 12% who said it will not pay off or were unsure (about 7% for public graduates). Both groups overwhelmingly report that college paid off, and neither camp shows the sustained, growing regret that Gilovich and Medvec associate with the inaction side of most long-term dilemmas.

A useful corroborating data point comes from the Strada-Gallup Education Consumer Pulse survey of approximately 90,000 US adults: 28% of respondents said they would choose a different institution if they could decide again, compared with 36% who would choose a different field of study. The survey does not break its findings out by public-versus-private attendance, so it cannot confirm or refute an asymmetry between the two — but it does suggest that institution-choice regret is real yet secondary to field-of-study regret, which is consistent with the Pew finding that the public/private gap is small enough to sit inside the margin of error.

Three limitations shape how this entry should be read. First, the primary data are from 2013, before the steepest phase of private-tuition growth and the student-debt expansion of the late 2010s; contemporary graduates carrying larger private-school debt loads may show a larger asymmetry. Second, both figures measure satisfaction retrospectively from a population that successfully graduated; students who enrolled at private universities and did not complete their degree are absent and likely report higher regret. Third, this entry is specific to the United States, where a sharp public/private cost divide exists. In most of Europe, the financial and prestige gap between private and public higher education is structured differently, and these numbers do not transfer.

出典: 行動

根拠台帳

以下の各数値は各出典が報告した内容であり、引用した原文の抜粋と算出方法を記載しています。リンクをクリックして直接確認できます。

  1. [1] Pew Research Center — Public and private college grads about equal in satisfaction with their lives
    Public and private college grads about equal in satisfaction with their lives
    統計値
    83% of private college graduates and 86% of public college graduates said they had already seen a payoff from their education
    抜粋
    “"Roughly equal shares of 83% among private school graduates and 86% among public school graduates said they had already seen a payoff." ”
    出典データ
    2014-05-19
    アクセス日
    2026-05-01
    計算過程
    Pew Research survey of 2,002 US adults conducted Oct 7-27, 2013. Action proxy derived as 1 - 0.83 = 0.17 (17% of private-college graduates had not yet seen a financial payoff from their education). This is a payoff-to-date perception, NOT a direct "was it worth the cost" regret measure. The 17% is not all dissatisfied: Pew reports a further 5% of private graduates "expect to see their educations pay off in the future", so the share who said it will not pay off or are unsure is the remainder, roughly 12%. Survey covered all college graduates; selection between private and public was not controlled. Subgroup sample sizes for private-college and public-college respondents within the n=2,002 survey are not separately reported; per-subgroup margin of error is wider than the approximately plus-or-minus 2.5 pp noted for the full sample.
  2. [2] Gallup / Strada Education Network — Half of U.S. Adults Would Change at Least One Education Decision
    Half of U.S. Adults Would Change at Least One Education Decision

    See all 4 Likelier entries citing this source →

    統計値
    51% of US adults would change at least one aspect of their education experience; 28% would select a different institution
    抜粋
    “"Fifty-one percent of U.S. adults would change at least one aspect of their education experience. Significantly fewer (28%) would select a different institution." ”
    出典データ
    2017-06-01
    アクセス日
    2026-05-01
    計算過程
    Strada-Gallup Education Consumer Pulse survey, n approximately 90,000 US adults, June 2016 through March 2017. Report does not isolate private-4yr vs public-4yr regret rates as separate figures; used here as corroboration that institution-choice regret exists but is secondary to field-of-study regret.

出典: 不作為

根拠台帳

以下の各数値は各出典が報告した内容であり、引用した原文の抜粋と算出方法を記載しています。リンクをクリックして直接確認できます。

  1. [1] Pew Research Center — Public and private college grads about equal in satisfaction with their lives
    Public and private college grads about equal in satisfaction with their lives
    統計値
    83% of private college graduates and 86% of public college graduates said they had already seen a payoff from their education
    抜粋
    “"Roughly equal shares of 83% among private school graduates and 86% among public school graduates said they had already seen a payoff." ”
    出典データ
    2014-05-19
    アクセス日
    2026-05-01
    計算過程
    Same Pew 2013/2014 survey as action_side (n = 2,002). Inaction proxy derived as 1 - 0.86 = 0.14 (14% of public-college graduates had not yet seen a financial payoff from their education). This is a payoff-to-date perception, NOT a direct "was it worth the cost" regret measure. A further 7% of public graduates "expect to see their educations pay off in the future", so the share who said it will not pay off or are unsure is the remainder, roughly 7%. Subgroup sample sizes for private-college and public-college respondents within the n=2,002 survey are not separately reported; per-subgroup margin of error is wider than the approximately plus-or-minus 2.5 pp noted for the full sample.
  2. [2] Gallup / Strada Education Network — Half of U.S. Adults Would Change at Least One Education Decision
    Half of U.S. Adults Would Change at Least One Education Decision

    See all 4 Likelier entries citing this source →

    統計値
    51% of US adults would change at least one aspect of their education experience; 36% would choose a different field of study; 28% would select a different institution
    抜粋
    “"Fifty-one percent of U.S. adults would change at least one aspect of their education experience. Thirty-six percent of U.S. adults who pursued or completed a postsecondary degree would choose a different field of study. Significantly fewer (28%) would select a different institution." ”
    出典データ
    2017-06-01
    アクセス日
    2026-05-01
    計算過程
    The 28% who would choose a different institution includes all institution-type switches and is not specific to public-to-private transitions. Used here to establish that institution-choice regret exists but is secondary to major/field regret.

注意事項

Both sides draw from the same Pew 2014 survey, making the comparison internally consistent, but that survey measured whether graduates had "seen a payoff" from their education to date, not whether they regretted the choice or judged it worth the financial cost. Because a small share additionally expect a future payoff, the headline "no payoff yet" figures overstate the group that actively believes the degree will not pay off. The 3-percentage-point gap is within the survey's margin of error (approximately plus-or-minus 2.5 pp for the full sample) and should not be read as evidence that private university graduates regret their choice more; the honest reading is that satisfaction rates are statistically indistinguishable. The data are from 2013 and predate the 2015-2025 acceleration in private-institution tuition and the growth of student debt; current regret rates at private institutions may be higher. Selection bias is the largest confounder: students who attend private universities differ systematically from public-university counterparts in family income, academic preparation, and professional networks, so any outcome difference may reflect those pre-existing advantages rather than school type. The Strada-Gallup survey shows institution-choice regret (28%) is smaller than field-of-study regret (36%), suggesting what a graduate studied matters more than which type of institution they attended, though the survey does not separately report public-versus-private regret rates. Geographic scope is limited to the United States; in the United Kingdom, most of continental Europe, and Australia the distinction between private and state university carries different financial and social weight that these surveys do not capture.

生データ: /api/decisions.json

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