The choices people make are determined by information processing involving the ability to strategically choose among and sort out different stimuli in the environment.

  Attention

Explanation:

According to the given question, the attention is one of the type of cognitive and the behavioral process in which the people are more concerned about choosing the different types of strategies and also trying to sort different types of stimuli in environment.

It is one of the type of information aspect that has ability for choosing the strategically element in the information processing.

The attention is one of the ability that focuses on the different types of selected stimuli and also refers to concentration ability.  

 Therefore, Attention is the correct answer.

"harry t. moore (1905-1951) – civil rights activist, leader, and the first martyr of the civil rights movement. fannie lou hamer (1917–1977) – leader in the american civil rights movement; co-founder of the national women's political caucus and freedom democratic party. james farmer (1920–1999) – congress of racial equality."

the right answer is a