What makes a good film trailer?

Don't give too much away
One of the problems film directors have when making trailers, is to not give too much away of the plot. While attracting the audience, it is important not to give too much away otherwise it would damage the viewers enjoyment when watching the film.

Don't be too cryptic
A complete opposition to my first point, yet it is also important that some information is given to the audience. Such as the genre, who stars and the director or the movie. If the Director is not well known, it is important that the trailer attracts the audience. Otherwise they may think it is a disappointment.

Speaking to the target audience
In a good movie trailer, they must put in the correct amount of information to attract the target audience. The correct language must be shown to the target audience. an example is a teenager talking slang- this would attract more of the younger generation as some talk the same way.  Sometimes, a voice over is used to talk to the audience to briefly explain a situation. This can also indicate the genre of the film too- as the voice over could be funny, or dramatic and mysterious.

Effects
The effects used must match the mood of the trailer. A faster transition helps to set a more intense mood for a horror or thriller, whereas a slower one can give a more comical or dramatic feeling. Music can also be used to explain the mood and genre. For example a more Indie/bangle type of music and be used to show the film is from Bollywood.

Hypodermic Syringe theory and effects

The Hypodermic Syringe theory is thought to "inject" the audience with ideas, attitudes and beliefs.

This theory has an increasing effect on the younger generation which causes children to become act more violent. So much that the government are considering moving the prosecution age to 14. This outcome has been cause in media such as films, TV programs and Video games which involve violence and drug taking.

The Media has caused a percentage of young girls to think drinking and dressing inappropriately is acceptable which has caused an increasing amount of reports of abuse from males the same age or older. It is also beginning to portray that girls are being accepted to be apart of "gangs" and can cause dilemmas that Gangs are portrayed as.
However on the other hand some media influences suggest that women and young girls are weaker and more vulnerable to others around them (particularly in darker times)

I believe that the younger generation are more influenced than the older generation because it is mainly adults that display such events on the media- causing them to think it is right.

This is what I have applied to my AS courseWork. It shows a young girl in captivity of an old man who is abusive of her (shown by her bruised eye). On the other hand it also cautions young girls to be more aware of their surroundings and time of when they go out. (Particularly in a park which is where she was last sighted)