Film research can be very interesting.  There are important ideas and findings
in the area of film psychology, or the psychology of movies.  This page contains
articles with research findings concerning films.
   One important topic is the possible positive effects of movies.  There may be
some important benefits of watching some types of movies (e.g.,  an
inspirational movie with inspirational messages and a happy ending).   The
possible benefits of viewing movies may include greater creativity, life
satisfaction, hope, and meaning in life.
  One of the articles below concerns the influence of viewing a comedy film on
creativity.  The other article concerns the question of whether viewing a happy
film can increase life satisfaction.  
Psychology of Film:  Can Watching a Happy Film Increase Life Satisfaction?
Can Waching a Comedy Film Make You More Creative?