Which survey method (mail, telephone, or personal interview) would you use for the following situations? Explain your choice.
Situation 1
Administration of the questionnaire by local restaurant which wishes to find out customers' satisfaction with a recent menu change.
Situation 2
Administration of a questionnaire by a national manufacturer of coffeemakers in order to test consumers' attitudes regarding a new coffeemaker model that has just been released onto the market with a large advertising campaign