CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'managed',cRay: '91e885796e9e6bf1',cH: '2eyL8MWA2i6UmHhF23TJWVQf3gpJ_I8U1S5N1DNXYXk-1741669574-1.2.1.1-TD4285eYLNfeXnYbVKKnX6DM4sdRRYy0yQLSAPzX806TkWa9HsiNtTCsQe9_M_5L',cUPMDTk: "\/abstracts\/search?q=Ute%20Ritterfeld&__cf_chl_tk=ThkNvHCC4rwH.lChXO9V1RxTwZv.Xt06_G110yORRRE-1741669574-1.0.1.1-tWqGODsktUtGvF8lwr1_1OTgtZhOj9jy8YCx1X4XzVM",cFPWv: 'g',cITimeS: '1741669574',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Ute%20Ritterfeld&__cf_chl_f_tk=ThkNvHCC4rwH.lChXO9V1RxTwZv.Xt06_G110yORRRE-1741669574-1.0.1.1-tWqGODsktUtGvF8lwr1_1OTgtZhOj9jy8YCx1X4XzVM",md: "EgvihpaRxDK30YAEjp0VPZs0zeMdHSVtcmCZellETAw-1741669574-1.2.1.1-2aP53dFLyJe3Iick0H4mYcHdIUJ9eXy3MDf793TlA6bL5_jJTHN9hrYkvGZtTA994Scb25sWtNznQzP2bR.gY4C93EVDX1Lr9LEzBt_ja4I.oFJ_Sj7DrulveEq7Ch_uubAnStiKQu18oTdKy8RemO8XeEFOnw4H_IKu28av2hypvn8n6kcYBuTHzIhblytj2eJ7cMift4O6_roaYjojqpFnvUucw262pe5UTZ9oJ4CPg9EYHNVj15FdNnaVN29fNgg1OFpIrDNxnZzz.jGkWnrXL2LoLkazpTQO6N9KF7ewGlBwyIAMjv842.fkMAn75ZJH4etTHM94Xq5nKtFqVFkvxyWyaYt5Oo8nQLNEoYey02mGVdimydoGfQr6a4Hn2KzTCqkpDNpdppxlJmZi5m8WaHb3T1nw0QZM2OSBh5zhODrKxfINuadqdTrZFNCrDX0b4QpQzMSJd5r31azZzW2TP.8yt0aaWuM_._Z3YNgsfq8UTRzZ8sM4a_m.alrZLrC0_rhGfaRASfiSGh3L.yE0SZO.75WnfE045adBUayHqSQo6DiW2r61cqDbBBYDXG15TIV4bt3x6LMTFCxrv5Y8hIzJmq2XH0bwQtcWo3SQXjIWkD_aT4sLjv7eh8kaRmmKeWIHDEpA8MzNonHNflO9B4ltFCjQEYtVoNTmkDu_3XLnMxfsAc.dr_cdvAfHgeD4Bq6EKMobNYGhpGi35mxlokj3yZH5kO2eKRaVMryUKtjjzMjVGRXcYV.q4ZZ0i4EzYS8bxExYCTbWII9hdhqAYqKDV0sQOliRyS2GoijNu3p35Oi0d0S1yv3DLtP0ZPrYtVw8qK_Ne6A776clb_KMsctsPZvjWjRiBiSRc6kkAuqUIup9_6tXvyYUCwR17yMxDV2DW0DgDTQEYyeW7CGydkf8DfPmQQCcjB5e.EyUVs.3qwNdqYRwM75pFAMB2nrR9k.aUVz8ut87c6HPmi3T1rE2XkZ9iCgLQevdXEn3Fhy6nXbi_n1XMFYHZtMmrXN3mzSd2QQQ.nQROpxMf8NgoDeJPIM9iniVhqGxv7yzjaz_QYP.ZMkz3R..YAWmiHHAKLos9abnQEEre.ONh00Y76qgI.pmBSA6M5OtcYxGA8zvphFvOGoIaKL5b_XLA42IO0_BOSBloCZQktfK01fAjK.Du8dKUWCEhOVRazzK6cUeniubvuv8_5fWpl4Bck1XkNCIylhFCQkwaLR.D9e7b2MM0qjvKczrOqDXP7EzdhU7ygF8zz2e7g7POt9rHl1DzI4BJNrN26EZtkZIrQ",mdrd: "K1dWVqK3l4MH0iBcQ4uFNzDfOd2OMpc0YzBO749oTRM-1741669574-1.2.1.1-OdItkO0FEomUxg9SxZvSzcT7YEg5Bj1VFrv5hIMhCfwRhxKV5OO0LpoLZYQCKdDsRCZw5_phod.Ay1YoDTa29.rqqCOOOisBWIRTGBPjNIPSLttixByIOfEiwzz8Eloaqol9HtWcFnkGPqKpiOMhH02FMo7anGtjQgzVWA3s_4PR9N6l9lQ.do209y5MIZPUOTqimXdbptwIPsPbraRxmWZEVyKWX_G2EAFAIp45KJBcmh7L2ttYZCzNTOtiKc_.o6l1qXfSIsY9lTSdinFVYmkQ8r0wwG03gJhVEeu1B3onWn4HQttA4f71VXPRw4m1GG5yb2yhYiOoOgoEzxR3yhRrNLWAXFZDyuEKqFo72Sk4PezwN9F99dG5W1NzvaLXZGbCS0PnYC1wcto4pPeuoenrgd0mMIGDxIXpQqEsGKsLt9bAcqKVDnE3zh6Kb7P41a8CFl.Z.0ROxk68ZDtx.sUONNfu4Ani7imihDkQfdWjIRX4ze_HB1vwBXUe_G9iUCBD6y6qEzQ7B1iND9VA1BGElarDZDHLKd693bWEuz8eLPvw1aX5D2aedLQGoBy8VVA2cZF0UymSIP1Ii0XDnzdOGU2PS5SzgdgcorcGVrVDXc3JIgy25hyWfPU8Fat8P.o4KOLJatwd4nKYGZUvCtw8YBdAE8qWpRCmGjate8L_DS0ZDT9EsQ4agS.5r0hAZxZbMV9B4rD2nk6VhR2k.WQGhAt4H.yg96THoIaDfSUhbSyH6UNXcMXshamxaKxckLzoAK0hgqVjkeENpSOOyP1cZoIF0Dt5nxcWfqtbZx.zyjNW1H9g6pw9i1U18W0FSTSuqRQUZ4nwZ4lczdAPgWtBgx3HeJSJKgtZfMt6T0LHLB6d2yQjq8TrQMNlNwDA7QNHPELP2ypFKNQYIhRAV1L7gwehXwZgostTZ0Jz563DwZiIVY3HZT2qiH1KwVOVu_D4I6zIlfT1ZDJ1qi7pEsw0PcndQ_6sOmJnHvDE4_JIOFzzt0XsFDZRSdcAPC9RIA8.ug_74pqnAc._hRBowdS3KQ3Hus7gAQslZWcr9aO.TV3WBIS9GGsOK5r_hfz5eECOFEecgRk7JhrV27BTRe2.dXvKj8BBUqeJwrcW.TbszA6ZHx9I8kP1bgKd.CfsnOb3R_yDvRAfLH_nTW8elWFA2cOvIiqk0CE3czeJm5EjXVC9LJ7vS8mGXInscnlNyTBPAaHLryYcsPdVQ48FjPDk.iFWEO794.mWusCaxJz_AsPxLTpmq51d6zyIbpXrv2tvi3P1NBQXmMQCR2BTFgztvRYlKXR9aKmXcV8J54ZLh_8OLvQK9d0iKrqwCoNY3yAKux2j5vjThS3.SaaoIqwTSPeTzFdKP7jf5uxZuv8Rqd6PexGwrWZEuvkMejfhw9EJ_10n.fWn6EUXPOnHaq5M7frGrHhBmhsnxkIuYDKGCDSLZGntMD3EMVzzgdRo__oRmY4a4Or632F_QpiMN7UkJ8Yo2GluW1nRukttl0XG2fef9qTqKIhsRFrVsM3ZDmfHvaslfbYGYXJNlSBc.R0eZdyClapnK4z_zEgONEF0cBTH8s.ZD3ByUMCqTUIag5xvHsshrjRNkO70pmPlH9E1eR6O50zrlPXEQ44I8Z0oOoBTZHNmH9OlgHdOP7EL57N4Zp_dbk.hdCrVOdu.S25AyUg7ZGkNNKx1zHnHMpys5LUoTxVZWBcokirRpdhbgrHe8H0zVJClZQHK5QYGnzQ2YYERKAP5I3i2Ii8NwSmPaoxdzts.2WoSFUwVGrD_kNSa0mskPRe6qs2bEO3fn0GjpOyWQrwjCyTK_Ohl0jg64ud04vhyTlix3f6RUnnCpmNp6gpIbAn7Y65doZNTSnPXHcC3g6MRiwran1H6_KKzB1oAtRUTxfaeWkOm5pJHjiYaoFmKeWuHgWQeGUioYt0OKzE4EEx9RnwC9GCKgvw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91e885796e9e6bf1';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=Ute%20Ritterfeld&__cf_chl_rt_tk=ThkNvHCC4rwH.lChXO9V1RxTwZv.Xt06_G110yORRRE-1741669574-1.0.1.1-tWqGODsktUtGvF8lwr1_1OTgtZhOj9jy8YCx1X4XzVM" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>