Who was the first pollster to measure how many people listened to network radio programs?

The extent to which you know yourself accurately is referred to as (the) _______

a. self b. self-concept c. self-awareness d. self-esteem

Noise in a cell phone connection, problems with audio in a teleconference, or Internet difficulties with an online videoconference are typical of ______.

a. environmental distractions b. medium distractions c. source distractions d. semantic diversion