ON WHAT GROUNDS OUGHT WE TO CHOOSE BETWEEN COMPETING CONFIRMATION THEORIES? THE ARTICLE BEGINS BY DISTINGUISHING BETWEEN CONFIRMATION THEORIES AND OTHER THEORIES WHICH MIGHT BE CONFUSED WITH THEM, SUCH AS THEORIES OF ACCEPTABILITY. IT THEN ARGUES THAT A CONFIRMATION THEORY OUGHT TO ANALYSE RATHER THAN EXPLICATE OUR ORDINARY STANDARDS OF CONFIRMATION. IT WILL DO THIS IN SO FAR AS IT IS COHERENT AND DOES NOT YIELD COUNTERINTUITIVE JUDGMENTS.