Weakness

• Culturally bound - there are various cultural factors that can be used

  Mainly American
• Filters must interact in complex ways
• Can't be a single set of filters or factors that explain the formation of all relationships
• We don't know the relative importance of the filters
• Berschied and Reis - Found differences in personality led to conflict

  This led to termination
• Levinger (1970) - 330 couples and found no evidence to support complementarity
• Too simplistic
• Overwhelming evidence supports the similarity attraction principle
• Temporal validity - Done when there was no internet

  Need to know how filters operate online
• Individual differences
• Weak evidence for a fixed sequence of stages in the formation of relationships

  Real life is complicated
• Complementarity of needs/personality has not been supported by research

  Similarity matters more: Studies to use - Dijkstraad and Barelds (2005), Match.com study