Link to Lisping Program at Teachers Pay Teachers here.
Link to Lisping Program at Teachers Notebook.
Age at which 85% of Goldman Fristoe Test of Articulation (GFTA-2) Standardization Sample Correctly Produced the Consonant and Consonant Cluster Sounds
Voiceless ‘th’ = sounds like “bathroom”
Voiced ‘th’= sounds like “bathing”