... Although past decades have witnessed an exponential growth in the number of studies seeking to examine the caregiving experience, this research has relied largely on convenience sampling. Although the strategies used to develop convenience samples vary, with some studies using the circulation of fliers and media ads (e.g., Atienza & Stephens, 2000;Atienza, Stephens, & Townsend, 2004;Brummett et al., 2006;Pot, Zarit, Twisk, & Townsend, 2005); others recruiting from community sources such as home health agencies, local clinics, or health care providers (Beach et al., 2005;Cicirelli, 2003;Fekete, Stephens, Druley, & Greene, 2006;Gallagher-Thompson et al., 2000;Gaugler, Leitsch, Zarit, & Pearlin, 2000;Matthews, Dunbar-Jacob, Sereika, Schulz, & McDowell, 2004;Stephens, Martire, Cremeans-Smith, Druley, & Wojno, 2006); and still others using a combination of these approaches (e.g., Bass, Tausig, & Noelker, 1988;Ducharme, Levesque, Zarit, Lachance, & Giroux, 2007;Sorensen & Zarit, 1996), the extent to which the knowledge generated from studies relying on convenience samples is generalizable to the wider population of caregivers remains unknown. ...