For information to travel from either the iconic or echoic sensory system to short-term memory, it must first be and then encoded primarily into form. unconsciously chosen; auditory biologically chosen; visual selectively attended to; auditory selectively attended to; visual

Answerselectively attended to; auditory

The correct answer to this question is letter "C.Psychological constructs cannot be researched in psychology because they are unobservable." The statement about psychological constructs is true is that psychological constructs cannot be researched in psychology because they are unobservable.