Conventions Of A Psychological Movie Trailer

These are conventions of horror film trailers:

• Darkness
• House
• Flashes of light as a transition
• Fade transition
• Screaming
• Eerie Music 
• Doors slamming
• Dialogue used as a form of voiceover
• Company information at the beginning
• Close ups of faces
• Title of the film at the end
• Release date at the end
• The 'supernatural' being is not shown in great detail (either the view is obscured or it is seen from a distance)  
• Main character being haunted is usually female