Epiphany (holiday) 1969 revision of the General Roman Calendar made the date to some extent variable, stating: "The Epiphany of the Lord is celebrated on 6 January, unless, where it is not observed as a holy day of obligation, it has been assigned to the Sunday occurring between 2 and 8 January." It also made the Feast of the Epiphany part of Christmas Time, which it defined as extending from the First Vespers of Christmas (the evening of December 24) up to and including the Sunday after Epiphany (the Sunday after January 6). Prior to 1976, Anglican churches also observed an eight-day
What Is Intelligence? What Is Intelligence? What Is Intelligence?: Beyond the Flynn Effect is a book by psychologist James R. Flynn which outlines his model for an explanation of the eponymous Flynn effect. The book summarizes much of the work of Flynn in this area, as well as that of his colleague William Dickens of the Brookings Institution. The book begins with a description of what has generally become known as "the Flynn effect": the steady rise from one generation to the next in average scores on IQ tests over time. Flynn notes that this effect apparently contradicts some fundamental beliefs about IQ