Thorsen and Pearce-Morris’s (2016) study used data from the Child and Young Adult Supplement to the National Longitudinal Survey of Youth 1979 (NLSY79). The NLSY79 is a longitudinal survey with over 12,000 participants (p. 228). Which of the following survey methods has had a dramatic decline in response rates since 1979?
a. mailed survey
b. group-administered survey
c. phone survey
d. in-person survey
e. electric survey
