🚨Thrilled that our🆕paper “Age and Cognitive Skills: Use It or Lose It” just came out in @ScienceAdvances 💡Longitudinal evidence: age pattern of literacy+numeracy not as bleak as cross-section suggests + strongly differs by skill usage https://t.co/uMsWPX1FiV 🧵A thread 1/7
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Cross-sectional age-skill profiles suggest that cognitive skills start declining by age 30 if not earlier. If accurate, such age-driven skill losses pose major threat to human capital of societies with rapidly aging populations. 2/7 @ScienceMagazine #ScienceAdvancesResearch
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We estimate actual age-skill profiles from individual skill changes at different ages. Unique German longitudinal component of PIAAC-L (Programme for the International Assessment of Adult Competencies): retested large representative sample of adults after 3.5 years. 3/7
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Our empirical approach separates age from cohort effects + corrects for measurement error from reversion to the mean. Two main results emerge. 1⃣ Average skills increase strongly into the 40s before decreasing slightly in literacy + more strongly in numeracy. 4/7
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2⃣ Skills decline at older ages only for those with below-average skill usage. 5/7
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White-collar + higher-educated workers with above-average usage show increasing skills even beyond their 40s. Women have larger skill losses at older age, particularly in numeracy. 6/7
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🙏Thanks to my great co-authors Rick Hanushek, @KinneLavinia + Frauke Witthöft And quite excited that this comes out in the neuroscience section😊 7/7
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FYI,🆕@ScienceAdvances paper on “Age + Cognitive Skills”🚨@dynarski @karthik_econ @turnersarahe @JeffDenning @edwinleuven @ALPWillen @mikhoga @nirav_mehta_x @RichMurphy_Econ @chriskarbownik @abacherhicks @MariSRege @ProfMartyWest @pqblair @ChristinaFelfe @astrid_mjs
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FYI,🆕@ScienceAdvances paper on “Age + Cognitive Skills”🚨@lergetporer @CyganRehm @uZoelitz @nsalamancaa @Gabri_EllaConti @MichelaTincani @adamaltmejd @ThomasBuser @JRuhose @michelacarlana @sulealan_econ @s_machin_ @hooster1 @ProfTDee @BenjaminArold @KinneLavinia
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FYI,🆕@ScienceAdvances paper on “Age + Cognitive Skills”🚨@simon_jaeger @m_silliman @CamilleTerrier1 @MatthewAKraft @giu_sorrenti @raffasadun @apdemetriou @ReiterClaudia @CK_Spiess @instrumenthull @profsimonb @ariel_kalil @D_Langenmayr @Lars_Feld @PetterLundborg @KhoaVuUmn
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FYI,🆕@ScienceAdvances paper on “Age + Cognitive Skills”🚨@ColinPGreen2 @KhoaVuUmn @MathiasHuebener @jhaushofer @angrist_noam @alexeble @SBauernschuster @Dominik__Sachs @MeulenSimon @Econ_Sandy @jmontalbancas @CaterinaPavese1 @katharina_wedel @CaciliaLipowski @lindsey_mac
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FYI,🆕@ScienceAdvances paper on “Age + Cognitive Skills”🚨@mdoepke @loeb_susanna @davidautor @lkatz42 @ProfDavidDeming @S_Stantcheva @metrics52 @zbleemer @CEDR_US @Lnavarrosola @econjeffsmith @margherita_fort @FabianKosse @FuestClemens @RationalityCRC @ifo_Education
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@Woessmann @ScienceAdvances @peterbergman_ @singhabhi @BarbaraBiasi @Sandra_McNally @J_ArellanoBover @henninghermes @SimonWiederhold @KiraboJackson @ifo_Institut @APeichl I have heard that learning to dance or play a musical instrument or speak another language in middle- or old-age is difficult but that it helps slow mental decline. In the case of dancing, I have heard that it helps maintain white matter integrity. As you say, use it or lose it!
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@Woessmann @ScienceAdvances @peterbergman_ @singhabhi @BarbaraBiasi @Sandra_McNally @J_ArellanoBover @henninghermes @SimonWiederhold @KiraboJackson @ifo_Institut @APeichl Why isn't there a test ceiling issue. These are ridiculously easy items and the usage examples are normal things like calculating a budget and reading an email ... Like this is transparent nonsense
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@Woessmann @ScienceAdvances @peterbergman_ @singhabhi @BarbaraBiasi @Sandra_McNally @J_ArellanoBover @henninghermes @SimonWiederhold @KiraboJackson @ifo_Institut @APeichl The app I’m developing is different from others because it is based on scientific evidence and incorporates skill training in reading, writing, and arithmetic. By making a habit of activating your brain, you can enhance its capabilities and improve your performance at work and in
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