For topic ideas:
- SocialMention.com - Real-time social media search and analysis of trends.
- GoogleTrends - Allows you to see how often specific keywords, subjects, and phrases have been searched over a period of time.
For background info:
- Social Psychology Network - Links by Topic to hundreds of websites covering topics such as group and social behaviors; prejudice, discrimination, and diversity; gender; social influence; violence, conflict resolution, and peace; interpersonal relations; and more.
For models of experiments:
For planning your experiment:
- Student Science: Human Participants - Clear rules for how to conduct ethical experiments based on human behaviors, including lists of experiments permissible without IRB approval.