Exhibit 5.2 Methods for collecting quantitative data.
Data collection methods
include online, mobile phones, telephone, CATI — computer-assisted telephone
interviewing, CLT — controlled location tests (e.g.,
mall intercepts), CAPI — computer-assisted personal interviewing,
DTD, mail and diary. These are categorized in Exhibit 5.2 according to whether
administered by interviewer or self, or whether or not computer-assisted. Going
forward, the trend is towards online and mobile internet methods assisted by
computers.
Each method has its advantages and disadvantages.
The choice is dependent on the number of questions and their complexity, the
type of stimuli to be used and the sensitivity of the subject. The methodology
in turn has an important bearing on the design of the questionnaire.
