Mulligan, Casey B.; Schneider, Barbara; Wolfe, Rustin - In: electronic International Journal of Time Use Research 2 (2005) 1, pp. 33-53
Researchers have debated which methods are most valid and reliable for studying time use. One key instrument for measuring time use is the time diary, which has unique analytic properties that, if not adjusted for, can bias estimates. To assess sampling and non-response bias and potential under-...