Data Saturation

According to Creswell (2005), saturation is the "state where the researcher
makes a determination that new data will not provide new information or
insights for the developing of categories" (p. 598).

Onwuegbuzie, A. J., & Leech, N. L. (2007, February). A call for qualitative
power analyses. Quality and Quantity, 4(1), 105-121.

Guest, G., Bunce, A., & Johnson, L. (2006). How many interviews are enough?
An experiment with data saturation and variability. Field Methods, 18(1),
59-82. _http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal200810_
(http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal200810)

Morse, J. (2000). Determining sample size. Qualitative Health Research,
10(1), 3-5.

Morse, J. (1995). The significance of saturation. Qualitative Health
Research, 5(2), 147-149.