注意研究中的主要变量 Independent Variables: These variables center around the need for the human to make decisions and the rate at which such decisions can be made varying the number of alternatives varying the presentation rate of a series of stimul6 一、注意研究中的主要变量 Independent Variables: These variables center around the need for the human to make decisions and the rate at which such decisions can be made. varying the number of alternatives; varying the presentation rate of a series of stimuli;