Don is visiting digital stores and searching the internet to learn about high-definition DVD players before he buys one. This is an example of a(n) .

pre-purchase search

Explanation: A pre-purchase search is described as a process of acquiring information required to influence or determine an individual's decision before making a purchase. Information required in pre-purchase search usually include external researche from friends, stores, internet and so on. The pre-purchase search will provide information such as cost implication, the features and differences of the product to it's market alternatives and other information relevant in making one's decision prior to making a purchase.