the precontact period
Source: wiktionary
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4 total sentences available.
the precontact period
Source: wiktionary
Precontacts may be less effective with homogeneous groups than with samples involving the general population.
Source: wiktionary
Reviewing 12 studies of precontacting or advance notice to respondents, Linsky (1975) concluded that all precontacts by letter, postcard, telephone, or earlier personal contact increased response rates, with the telephone precontact being the most effective.
Source: wiktionary
Reviewing 12 studies of precontacting or advance notice to respondents, Linsky (1975) concluded that all precontacts by letter, postcard, telephone, or earlier personal contact increased response rates, with the telephone precontact being the most effective.
Source: wiktionary