What are the five steps or stages of the systems development life cycle (SDLC)?

There are several reasons to use qualitative research. Which of the following is not a reason to use qualitative research?

A) It is not always possible, or desirable, to use fully structured or formal methods to obtain information from respondents. B) People may be unwilling or unable to answer certain questions. C) People are unwilling to give truthful answers to questions that invade their privacy, embarrass them, or have a negative impact on their ego or status. D) none of the above

The term ________ refers to balancing efforts between promotion efforts to distribution channel

members and efforts toward end consumers. A) vertical integration B) disintermediation C) push-pull marketing D) co-marketing