Validity and reliability of measurement instruments of educative family life
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Abstract
This study is intended to obtain standard instruments of the educative family life. Its construct has been formulated based on the research results of family factors influencing the success of the children at school. The instruments involve children measurement instrument (CMI) and mother measurement instrument (MMI) that apply forced-choice scale inventories. The instrument calibration methods are test of construct validity, content validity–face validity, empirical validity and reliability. Through the calibration of the instruments, the results of the 573 family samples revealed the following results: 1) the construct of 12 family variables described the variations in the educational family life as 38.47% child perception and 41.15% mother perception; 2) 45.85% of the items of structure dimension of CMI are valid; 3) 70.50% of the items of process dimension of CMI are valid; 4) 45.65% of the structural dimension of MMI are valid; 5) 80% of the process dimension of MMI are valid; and 6) both instruments, CMI and MMI, are reliable.
Keywords: Children measurement instrument; instrument; mother measurement instrument; reliability; validity.
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