皮尤-美国人对科学的了解（英文）

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1、WhatAmericansKnowAboutScienceAnewPewResearchCentersurveyfindsthatmanyAmericanscanansweratleastsomequestionsaboutscienceconcepts–mostcanWhatAmericansknowanddon’tknowaboutscience%ofU.S.adultswhoanswereachquestioncorrectlyLifescienceAntibioticresistanceisa

2、majorconcernofantibioticsoveruse79Identifythedefinitionofanincubationperiod76Insertingageneintoaplantisanexampleofgeneticengineering56EarthandotherphysicalscienceOil,naturalgasandcoalarefossilfuels68TiltofEarth'saxisinrelationtosundeterminesseasons63Def

3、orestationonlandleadstoincreasederosion60Themaincomponentsofantacidsarebases39NumeracyandchartreadingChicago,Ilinois,hasthegreatestannualrangeoftemperatures(withcharts)59Acartraveling40mphtravels30milesin45minutes57ScientificprocessesIdentifytheneedfora

4、controlgrouptodetermineeffectivenessofanewdrug60Identifyahypothesisaboutacomputerslowingdown52Notes:Allquestionsaremultiplechoice;forfullquestionwording,seetopline.Source:SurveyconductedJan.7-21,2019.“WhatAmericansKnowAboutScience”PEWRESEARCHCENTERcorre

5、ctlyansweraquestionaboutantibioticsoveruseorthedefinitionofan“incubationperiod,”forexample.Butotherconceptsaremorechallenging;fewerAmericanscanrecognizeahypothesisoridentifythatbasesarethemaincomponentsofantacids.Thesurvey,conductedJan.7to21,2019,takess

6、tockofthedegreetowhichthepublicsharesacommonunderstandingofsciencefactsandprocessesinaneraofeasyaccesstoinformationandsometimes-intensedebateoverwhatinformationistrueandfalse.Americans’knowledgeofspecificfactsconnectedwithlifesciencesandearthandotherphy

7、sicalsciencesvaries,ofcourse.Abouteight-in-ten(79%)correctlyidentifythatantibioticresistanceisamajorconcernabouttheoveruseofantibiotics.Asimilarshare(76%)knowanincubationperiodisthetimeduringwhichsomeonehasaninfectionbutisnotshowingsymptoms.Themostchall

8、engingquestionintheset:Whatarethemaincomponentsofantacidsthathelprelieveanoverlyacidicstomach?Aboutfour-in-tencorrectlyanswerbases(39%).Americansgivemorecorrectthanincorrectanswerstothe11questions.Themeannumberofcorrectanswersis6