释义 |
communality|kɒmjuːˈnælɪtɪ| [f. communal a. + -ity.] 1. Communal state, condition, or solidarity.
1901Smithsonian Rep. 76 In such manner as to strengthen sentiments of communality and to keep alive the sense of community in interests. 2. Statistics. (See quots.)
1933L. L. Thurstone Theory of Multiple Factors i. 8 The communality is the variance of a test with both the error factor and the specific factor eliminated. 1934― in Psychol. Rev. XLI. 9 We have used the term communality to indicate that part of the total variance of each test which is attributable to the common factors. It is always less than the reliability unless a specific factor is absent, in which case the communality becomes identical with the reliability. 1935― Vectors of Mind i. 62 The communality of a test is its common factor variance. 1939Brit. Jrnl. Psychol. Jan. 288 By the reduced correlation matrix is meant..the matrix with those quantities inserted in the principal diagonal which reduce its rank to a minimum. These quantities are called ‘communalities’. |