- Group Embedded Figures Test (https://en.wikipedia.org/wiki/Group_Embedded_Figures_Test)
This pattern is also supported by a study by Lawrence and Morton (1980) in which high Hysteria scores are correlated with low differentiation on the Embedded Figures Test.
Schneidmiller, S. The role of rule-governed behavior in histrionic and compulsive personality disorders, https://libres.uncg.edu/ir/listing.aspx?id=26033
Lawrence, D. M., & Morton, V. (1980). Associating Embedded Figures Test performance with extreme Hysteria and Psychasthenia MMPI scores in a psychiatric population. Perceptual & Motor Skills, 50, 432 –434.
- Functional fixedness
compare to Selfobject in Self Psychology