This chart shows the percentage of total cost for each of the following types of public opinion research:

• Market Research amounted to 31% of the total cost of public opinion research.
• Policy Development and Program Evaluation amounted to 21% of the total cost.
• Advertising Initiatives amounted to 17% of the total cost.
• Web Testing amounted to 11% of the total cost.
• Quality of Service amounted to 8% of the total cost.
• Other types of research amounted to 12% of the total cost.