20. The computer-readable storage medium of claim 19 , further encoded with computer instructions for: ranking each cluster relative to one another if at least two clusters are identified; ranking each aggregate cluster relative to one another if at least two aggregate clusters are generated; and ranking each cluster and each aggregate cluster relative to each other if at least one cluster is identified and at least one aggregate cluster is generated.
20. The computer-readable storage medium of claim 19 , further encoded with computer instructions for: ranking each cluster relative to one another if at least two clusters are identified; ranking each aggregate cluster relative to one another if at least two aggregate clusters are generated; and ranking each cluster and each aggregate cluster relative to each other if at least one cluster is identified and at least one aggregate cluster is generated. 21. The computer-readable storage medium of claim 20 , wherein the ranking reflects a relative severity of speech misalignments.