Perhaps one of [these ](https://www.reddit.com/r/Stutter/comments/15dltbl/megacollection_tips_to_improve_stuttering_from/)research studies could, at least partially, answer your question: * [Research](https://www.reddit.com/r/Stutter/comments/1aga3tz/what_is_the_cause_of_stuttering_according_to/): What is the cause (or **core**) of stuttering - according to Chang & Guenther (Godiva model) (PhD researchers) * [Research](https://www.reddit.com/r/Stutter/comments/1adttz5/what_causes_stuttering_according_to_mark_onslow/): What is the cause (or core) of stuttering - according to Mark Onslow (PhD) * [Research](https://www.reddit.com/r/Stutter/comments/19ece9v/what_causes_stuttering_according_to_ambrose_phd/): What is the cause (or core) of stuttering - according to Ambrose (PhD) * [Research](https://www.reddit.com/r/Stutter/comments/15cl7wd/tips_to_improve_stuttering_from_the_research/): What is the cause (or core) of stuttering - according to Evan Usler (PhD) * [Research](https://www.reddit.com/r/Stutter/comments/17wpj4i/what_causes_stuttering_according_to_alm_phd/): What is the cause (or core) of stuttering - according to Per Alm (PhD) * [Research](https://www.reddit.com/r/Stutter/comments/14u05gm/tips_to_improve_stuttering_from_the_research/): What is the cause (or core) of stuttering - according to Busan & Neef (PhD researchers) * [Research](https://www.reddit.com/r/Stutter/comments/17o4ld8/comment/k7wet2e/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button) & [Research](https://www.reddit.com/r/Stutter/comments/1126a5n/tips_to_improve_stuttering_according_to_a_phd/): What is the cause (or core) of stuttering - according to the Variable Release Threshold hypothesis (PhD) * [Research](https://www.reddit.com/r/Stutter/comments/114cxqx/tips_to_improve_stuttering_according_to_a_phd/) & [Research](https://www.reddit.com/r/Stutter/comments/113ks6i/tips_to_improve_stuttering_according_to_a_phd/): What is the cause (or core) of stuttering - according to the Covert Repair hypothesis (PhD) * [Research](https://www.reddit.com/r/Stutter/comments/14il794/tips_to_improve_stuttering_from_the_new_research/): What is the cause (or core) of stuttering - according to Smith & Weber (*Multifactorial Dynamic Pathways Theory*) (PhD researchers) * [Research](https://www.reddit.com/r/Stutter/comments/13afm9f/we_know_that_we_are_about_to_stutter_how_can_we/): What is the cause (or core) of stuttering - according to Jackson (anticipatory struggle hypothesis) (PhD)