Table 4 The Main Themes and Subthemes.

From: A systematic review: unveiling the complexity of definitions in extremism and religious extremism

Themes

Belief

Behaviour

No universal definition

Sub-Themes

Uncompromised

Bias interpretation

Specific society

Violation of true teaching

-

Pauwels & Hardyns (2018)

   

x

x

Rahman (2018)

x

  

x

 

Dawson (2019)

    

x

Asal et al. (2020)

x

  

x

 

Bidova et al. (2020)

x

  

x

 

Breidlid (2021)

  

x

x

x

Akhmetova et al. (2021)

 

x

x

 

x

Riedel (2021)

 

x

  

x

Abdellatif (2022)

x

    

al-Slaihat (2023)

  

x

  

Saada (2023)

x

  

x

Â