basic psychology needed for interface design

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1、User-CenteredDesignandTestingBasicPsychologyNeededforInterfaceDesign（自学）SoftwareCollegeofNEUContents1HumanProcessorModel2Vision3Memory4Processors5Attention1HumanProcessorModelHumanProcessorModel2VisionTheHumanEyePhotoreceptorsRodsSensitivetolowlightSaturatedatmoderatelightinte

2、nsityDarkenedroomintosunlightEdgesoftheretinaDominateperipheralvisionOnlyonekind(peakresponseingreenwavelengths)PhotoreceptorsConesOperateinbrighterlightThreekinds:S(hort),M(edium),L(ong)Sconesareveryweak,centeredinbluewavelengthsMandLaremorepowerful,overlappingMcenteredingree

3、n,LinyellowfoveaSignalsfromPhotoreceptorsBrightnessM+L+rodsRed-greendifferenceL-MBlue-yellowdifferenceWeightedsumofS,M,LColorBlindnessRed-greencolorblindnessLconesBlue-yellowcolorblindnessMconespartialtritanopiaGuideline:don’tdependsolelyoncolordistinctionsUseredundantsignals:

4、brightness,location,shapeChromaticAberrationDifferentwavelengthsfocusdifferentlyHighlyseparatedwavelengths(red&blue)can’tbefocusedsimultaneouslyGuideline:don’tusered-on-bluetextItlooksfuzzyandhurtstoreadBlueDetailsAreHardtoResolveFoveahasnoSconesLensandaqueoushumorturnyellowwi

5、thageLensweakenswithageGuideline:don’tuseblueagainstdarkbackgroundswheresmalldetailsmatter(text!)FoveaHasNoRodsInscotopicconditions,peripheralvision(rod-rich)isbetterthanfovealvisionEasiertoseeadimstarifyoudon’tlookdirectlyatitScreenEye2degreesofvisualangleistheareaofthefovea’

6、shighacuity,whereapersoncanactuallyreadtextorseeadetailediconOntherestofthescreen,apersonisverysensitivetomovement,blinking,orotherchangesFoveaHasNoRodsADBCEIFHVisionPerceptionVisionPerceptionThequickbrownfoxjumpsoverthethelazydogReadingReadingspeedisameasureoflegibilityPropor

7、tionalspacingbetweenlines:9to12pointsLinelength:58to132mmReadingfromacomputerscreenisslowerthanabookCarefuldesignoftextualinterfacesDarkcharactersonalightscreen(negativecontrast)3MemoryHumanMemoryDisagreementSeparatesystemsordifferentfunctionsofthesamesystem.Short-termSensoryS

8、toreWorkingmemoryLong-termmemoryMemorypropertiesEncoding:type