 This research examines whether intrinsic metrics (which are easy to measure) correlate well to extrinsic metrics (which reflect real world bias) .
<clarity>  This research examines whether intrinsic metrics (which are easy to measure) correlate well to extrinsic metrics (which reflect real world bias) .
 This research examines whether easy-to-measure intrinsic metrics correlate well to extrinsic metrics (which reflect real world bias) .