Answer:
blinded
Step-by-step explanation:
Since in the question it is mentioned that Jenae is able to acquire the different kind of coffee brand in half price and she knows that the coworkers would be object regarding the same but at the time of taste test the coworkers rejected the new brand so this scenario represent that the taste test was not blinded as they didnt keep the participants of not awaring with regard the brand what they were taking
Therefore the above represent the answer