蔡美兒第四本書是與丈夫{{tsl|en|Jed Rubenfeld|傑德·魯本菲爾德}}<ref>{{Cite newspaper|url=https://www.theguardian.com/lifeandstyle/2014/feb/07/truth-about-tiger-mothers-family-amy-chua|title=The truth about the Tiger Mother's family|first=Kira|last=Cochrane|date=2014-02-07|journal=The Guardian|accessdate=2020-11-25|archive-date=2017-11-16|archive-url=https://web.archive.org/web/20171116064922/https://www.theguardian.com/lifeandstyle/2014/feb/07/truth-about-tiger-mothers-family-amy-chua|dead-url=no}}</ref> 合著的《虎媽的戰甲：三項黑暗人格特質，竟然讓人出類拔萃！》（2014年2月出版）。<ref>{{Cite book|title=The Triple Package: How Three Unlikely Traits Explain the Rise and Fall of Cultural Groups in America|url=https://archive.org/details/triplepackagehow0000chua|first1=Amy|last1=Chua|first2=Jed|last2=Rubenfeld|date=2014-02-04|publisher=Penguin Press|isbn = 978-1594205460}}</ref>這本書受到了許多消息來源的好評。為《[[金融时报_(英国)|金融時報]]》撰文的露西·凱拉韋（Lucy Kellaway）稱之為“我見過的最具普遍性的成功理論”。<ref>{{cite web|last1=Kellaway|first1=Lucy|title=Lessons in success from Eton and the Tiger Mother|url=http://www.ft.com/cms/s/0/b8dc242c-8e83-11e3-98c6-00144feab7de.htm|website=FT.com|publisher=Financial Times|accessdate=2014-10-04|archive-date=2020-11-25|archive-url=https://web.archive.org/web/20201125133749/https://www.ft.com/content/b8dc242c-8e83-11e3-98c6-00144feab7de|dead-url=no}}</ref>《[[衛報]]》稱讚這本書“對各種民族和文化群體的成見和期望的影響進行了令人大開眼界的研究……”<ref>{{Cite newspaper|last1=Brockes|first1=Emily|title=The Triple Package: What Really Determines Success – review|url=https://www.theguardian.com/books/2014/feb/05/the-triple-package-what-really-determines-success-book-review|journal=The Guardian|accessdate=2014-10-04|date=2014-02-05|archive-date=2020-11-25|archive-url=https://web.archive.org/web/20201125133708/https://www.theguardian.com/books/2014/feb/05/the-triple-package-what-really-determines-success-book-review|dead-url=no}}</ref>這本書也因為一些人所說的文化成見而受到批評。<ref>{{cite news | url=http://shine.yahoo.com/parenting/tiger-mom-39-book-stirs-culture-wars-195300564.html | work=Yahoo Shine | title=Tiger Mom's New Book Stirs Up Culture Wars | date=2014-01-07 | accessdate=2020-11-25 | archive-date=2020-11-25 | archive-url=https://web.archive.org/web/20201125133713/https://www.yahoo.com/lifestyle/tagged/health/parenting/tiger-mom-39-book-stirs-culture-wars-195300564.html | dead-url=no }}</ref><ref>{{cite news | url=http://www.huffingtonpost.com/2014/01/06/amy-chua-the-triple-package_n_4549612.html | work=The Huffington Post | title=Amy Chua In 'The Triple Package' Claims Jews and Mormons Produce More Successful People | date=2014-01-06 | accessdate=2020-03-13 | first=Yasmine | last=Hafiz | archive-date=2020-11-25 | archive-url=https://web.archive.org/web/20201125133749/https://www.huffpost.com/entry/amy-chua-the-triple-package_n_4549612 | dead-url=no }}</ref><ref>{{cite news|last1=Flood|first1=Alison|title='Tiger mother' returns with provocative theory of 'cultural group' success|url=https://www.theguardian.com/books/2014/jan/08/tiger-mother-theory-cultural-group-jews-chinese|work=The Guardian|date=2014-01-08|language=en|accessdate=2020-11-25|archive-date=2020-11-12|archive-url=https://web.archive.org/web/20201112020913/http://www.theguardian.com/books/2014/jan/08/tiger-mother-theory-cultural-group-jews-chinese|dead-url=no}}</ref> 喬舒亞·哈特（Joshua Hart）和{{tsl|en|Christopher Chabris|克里斯托弗·查布里斯}}的一項實證研究發現，“‘虎媽的戰甲’（Triple Package，三重戰甲）理論的證據很少。”<ref>{{cite journal|last1=Hart|first1=Joshua|last2=Chabris|first2=Christopher F.|title=Does a "Triple Package" of traits predict success?|journal=Personality and Individual Differences|date=2016|volume=94|pages=216–222|doi=10.1016/j.paid.2015.12.041}}</ref>