The results also show that Hypothesis 1 is supported at the 0.01 level,which implies that the positive sentiment of online reviews on the website of an online travel agency can significantly increase the number of online bookings made through the website. According to the cognitive theory, the cognitive load of online travelers should be dramatically reduced after reading positive reviews,which results in more sales (Ghose & Ipeirotis, 2006; Sweller,
1988).