The purpose of this study is to demonstrate whether subjects respond similarly to the Onset of Effect Questionnaire (OEQ) using a 1 week recall period versus a 1 day recall period.

Inclusion Criteria:

• Male or Female, > 18 years of age
• Mild to moderate asthma requiring treatment with an inhaled corticosteroid
• Diagnosis of asthma for at least 6 months

Exclusion Criteria:

• Subjects requiring treatment with systemic corticosteroids (e.g., oral, parenteral, ocular)
• Subjects with severe asthma, as judged by investigator
• Any significant disease or disorder that may jeopardize a subject's safety