PnnιirnUSA USER ACCEPTANCE OF COMPUTER.PDF

MANAGEMENT SCIENCE Vo l. 35. No. 8. August 1989 Pnn/ιirnUSA USER ACCEPTANCE OF COMPUTER TECHNOLOGY: A COMPARISON OF TWO THEORETICAL MODELS* FRED D. DA VIS‘ RICHARD P. BAGOZZI A;\i D PAUL R. WARSHA \九/ Schoo! o{Bwsincss Adminislralion. ι11L 川1ηl仇v(rSI衍叫丌lυly (♂ 九:Hiκcl力llgβωaUI ‘ 4ι.t nl1 A幻f Sc!uυ)()叫/ υ{BlμIS/l丹1(叫YS.牛.1(11川川Fηw川1υiμ、slμra叫lμfμiυFη1 。 ιfl i \crsity o( Jfich iι~an 、 An 月 Arhor ‘ Jf此higan 48109-1234 Schυo! o(Busincss Administratio月、 Ca!ifimzia Po!yl(c!z月ic Statc Cnivcrsi(\\ San L lI is Ohis{Ja ‘ Ca!ifórnia 93407 Computer systems cannot improve organizational performance íf they aren、 t used. Unfortu- nately , resístance to end-user systems by managers and professionals is a widespread problem. T0 better predict‘ explωn‘ and increase user acceptance司 we need to better understand why people accept or reject computers. This research addresses the ability to pædict peoples computer ac- ceptance from a measure of their intentions, and the ability to explain their intentions in terms oftheir attitudes, subjective norms、 perceived usefulness , perceived ease ofuse, and related variables. In a longitudinal study of 107 users‘ intentions to use a specific system, measured after a one- hour introduction to the svstem‘ were corτelated 0.35 with svstem use 14 weeks later. The íntention- usage correlatíon was 0.63 at the end of thís time períod. Perceíved usefulness strongly ínfluenced peoples intentions‘ explaining more than half ofthe variance in intentions at the end of 14 weeks. Perceived ease of use had a small but sigoificant e仔ect on intentions as wel l