“…Personal characteristics Structural characteristics Organisational characteristics -Teacher commitment (Stephenson et al, 2008) -Teacher attitude towards the subjects (Stephenson et al, 2008) -Scheduling adequate time for collaboration (Berry et al, 2009) -Aligning collaboration structures for horizontal and vertical collaboration (Berry et al, 2009) -Structuring collaboration meetings formally (Berry et al, 2009) -Close proximity of facilities (Stephenson et al, 2008) -Frequent professional interaction (Stephenson et al, 2008) -Leader support in different areas: time for collaboration, offering flexibility, encouraging feedback, giving guidance (Datnow, 2011) -Monitoring collaboration to make sure it does not lead to contrived collegiality (Datnow, 2011) -Creating an atmosphere of mutual trust (Berry et al, 2009) -Administrator support (Stephenson et al, 2008) A next category includes structural characteristics that are related to structural components of the collaborative process, mainly related to time issues (e.g., individual and common planning time) (e.g., Hackmann et al, 2002;Meirink et al, 2010;Rone, 2009). Other important factors mentioned here include staff continuity, physical structures or close proximity of facilities, regulation possibilities of the team, and frequent professional interaction that is formalised (Main, 2007;Smetser, 2007;Stephenson et al, 2008).…”