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editorial
. 2021 Oct 28;7(5):356–360. doi: 10.33546/bnj.1927

Table 1.

A variety of recommended sample sizes for factor analyses

A variety of recommended sample sizes for factor analyses
Of sample size
 50 Barrett and Kline (1981)
 100 Gorsuch (1983), Kline (1994)
 ≥150 Hutcheson and N. (1999)
 ≥150 - ≤180 Mundfrom et al. (2005)
 200 Guilford (1954)
 ≥200 Hair et al. (2010)
 250 Cattell (1978)
 200 – 300 Guadagnoli and Velicer (1988), Comrey (1988)
 300 Clark and Watson (2016)
 400 Aleamoni (1976)
 100 - >1000 Mundfrom et al. (2005)
 50 = very poor, 100 = poor, 200 = fair, 300 = good, 500 = very good, ≥1,000 = excellent Comrey and Lee (1992)

Of item to response ratio (p: N)
 1:3 to 1:6 Cattell (1978)
 1:4 Rummel (1988)
 1:5 Gorsuch (1983), Hatcher (1994)
 1:10 Nunnally (1978), Everitt (1975), Watson and Thompson (2006)
 1:3 to 1:20 Mundfrom et al. (2005)

Of estimated parameter to sample size ratio (q: N)
 1: 5 to 1:10 Bentler and Chou (1987)
 1:10 Jackson (2003)
 1: 5 to 1:20 Kline (2015)