Exploratory Descriptive Causal: Exploratory Causal: Predictive

Cross-Sectional Observing the effect of introducing a new product onto the : a new iPhone model introduced to 2 focus groups: men and women of a certain age Difference between usages of data vs. voice at the moment of establishing a communication contract. Ex: what provokes men to request more voice over data or vice versa? What about women?

Observing reasons for changes in a single point in time. Ex: observing change in communication usage between men and women of a certain age in a single point of time. Determining cause & effect. Expect future differences in data and voice usage. Ex: men and women that switched data/voice products at a single point in time (i.e. at the moment of...