VAR CF0648 INDEX- EXTERNAL EFFICACY ITEMS COLUMNS 453 - 455 NUMERIC MD EQ 999 EXTERNAL EFFICACY INDEX, 100-PT SCALE ------------------------------------------------------------------- USE WEIGHT VARIABLE VCF0009/VCF0009A/VCF0009B. BUILT FROM VARS VCF0609 AND VCF0613. To construct this variable, the component vars are first recoded as follows: VCF0609,VCF0613: 1=0,2=100,3=50. The recoded values are then totalled and divided by the number of valid responses. The result is then rounded. 0. Least efficacious . 100. Most efficacious 999. Not scored in both VCF0609 and VCF0613 1952: 118,123 1956: 108,115 1960: 107,114 1964: 174,177 1966: 118 1968: 517,520 1970: 144,147(type 0) 1972: 269,272 1974: 2222,2225 1976: 3815,3818 1978: 351,354 1980: 1030,1033 1982: 531,532 1984: 312,313 1988: 937,938 1990: 508,509 1992: 6102,6103 1994: 1037,1038 1996: 960568,961244 1998: 980524,980525 ==============================