“…The sampling process in this study involved several steps: defining the population, selecting the sample frame and unit, choosing the sampling technique, deciding on the sample plan, and determining the sample size (Luck & Rubin 1987;Kinnear & Taylor 1996;Churchill1999;Zikmund 2003;Neuman 2006). The population is the entire group of households that the investigator must examine, while the element is a single member of that population (Zikmund 2003;Bryman 2004;Davis 2005;Burns & Bush 2006;Neuman 2006).…”