A sampling frame is the available population in which a researcher is interested and from which research participants are selected.

Casual games such as Farmville have _______________ yet _______________

a) threatened the dominance of console games … attracted new players b) alienated the elderly … attracted young players c) been expensive to produce … reduced industry profits d) better graphics than console games … are too hardware-intensive for some computers

He legitimize pessimistic reporting by all other television networks:

a) Walter Cronkite; b) Edward R. Murrow; c) Morley Safer; d) Harrison Salisbury; e) Ted Koppel