49o APPENDIX II

TABLE II

Results of Factorizing Covariances between TESTS ; M
(a) Covariance Matrix MM' = Rt = Fft.

*i h h
Total

I
56 _28 —28 —28 20 8 —28 8 20
112
56

Total*
H2 56 56
224

Total -f- A/224
>VH <-VH (-V-4
0

Square
56 14 14
«4-

84 "--, 1st factor-variance

* As usual, before calculating the total, the tests that arc to roooive a negative
factor-loading (here tests 2 and 3) have their signs rtworsotl.

(b) Reconstruction,
Lt X

2

V6 °
i i

X

x

X

L h

3 i

I I

X

A

Pt

— A/14

.-= A

X
_ J j:
2

A/4 A/H
VH

2 I
i

O "~" ™~ JI-1-..T

\/^ A/^
^vl