BradleyD. J.The ability of black groups to produce recognizable patterns on The Seven-Squares Test. J. Nat. Inst. Personnel Res., 1960, 8, 142–144.
2.
ChownS. M.Rigidity: A flexible concept. Psychol. Bull., 1959, 56, 195–223.
3.
FabianH.An experiment with two forms of the Seven-Squares Test. J. Nat. Inst. Personnel Res., 1959, 8, 56–58.
4.
HectorH.Ein projektiver test. Arch. f. Psychiatr. u. Z. Neur., 1952, 188, 544–548.
5.
Cited by HectorH.HudsonW.Pattern specificity in a sample of Mozambique tribesmen on the Seven-Squares Test. J. Nat. Inst. Personnel Res., 1959, 7, 156–161.
Cited by YsselG. J.The reliability of ratings of Seven-Squares Test patterns on a scale: “Rigid-Flexible-Labile.”J. Nat. Inst. Personnel Res., 1958, 7, 135–136.
8.
HectorH.Relationship between paired comparisons and rankings of Seven-Squares Test patterns. J. Nat Inst Personnel Res., 1959, 8, 65–66.
9.
HectorH.DlodloM. S.Du PlessisC. F.An experiment on silhouette recognition and projection with Bantu children of different ages. J. Nat. Inst. Personnel Res., 1961, 8, 195–198.
10.
HectorH.HudsonW.Pattern specificity in a sample of Mozambique tribesmen on the Seven-Squares Test. J. Nat. Inst. Personnel Res., 1959, 7, 156–161.
11.
IchimuraL.Results from the Seven-Squares Test applied in Japan. J. Nat. Inst. Personnel Res., 1959, 7, 201–202.
12.
MorganP.Observations and findings on the Seven-Squares Test with literate and illiterate black groups in Southern Africa. J. Nat. Inst. Personnel Res., 1959, 8, 44–47.
13.
YsselG. J.The reliability of preferences of Seven-Squares Test patterns. J. Nat. Inst. Personnel Res., 1958, 7, 137. (a).
14.
YsselG. J.The reliability of ratings of Seven-Squares Test patterns on a scale: “Rigid-Flexible-Labile.”J. Nat. Inst. Personnel Res., 1958, 7, 135–136. (b).
