Scree Test
As noted by Gorsuch,8 Tabachnick and Fidell,10 and Thompson,11 interpreting Scree plots is
subjective, requiring researcher judgement. Thus, disagreement over which factors should be
retained is often open for debate.1 Although this disagreement and subjectiveness is reduced
when sample sizes are large, N:p ratios are (>3:1) and communalities values are high.1,8 The
„Scree Test‟ was given its name by Cattell24 due to the Scree Test graphical presentation,
which has visual similarities to the rock debris (Scree) at the foot of a mountain.