When Harry Bought a Phone,he Chose the One Recommended by the Retailer

Multiple Choice

When Harry bought a phone,he chose the one recommended by the retailer even though he had his apprehensions regarding the performance of that particular phone.After he used it for a week,he got to know from various sources that the Bluetooth connectivity on the particular brand of phone he bought was flawed.Harry decided to return his phone even though his friends told him that its battery life was far superior to other brands.Which of the following is most likely responsible for Harry's decision to return his phone?

A) Confirmatory bias
B) Backfire effect
C) Cognitive inertia
D) Cognitive dissonance
E) Bandwagon effect