In an examination of Presidential apologies, a researcher identified the number of times Presidents used the phrase "I am sorry" and "I was wrong." What is the coding unit for this content analysis?

When researchers investigated situations that caused the most anxiety, they found that fear of public speaking ranked below a job interview or the first day on a new job

Indicate whether the statement is true or false

The research procedures and methodologies used by field services or research suppliers in private sector research is audited by:

a) The American Marketing Association b) The American Statistical Association c) The Research Association of America d) No one