Emily wants to purchase a tablet device. She is unsure about what hardware and apps she will need. As a result, she has begun asking for advice from her friends and relatives. In addition, she has talked to several salespeople at Apple and Best Buy and has looked at some websites, such as HP and Dell. Emily is engaging in

problem recognition.

an internal information search.

an external information search.

a purchase task.

the creation of an antecedent state.