what are three methods of data collection?

experiment

a method a researcher uses to gather primary data sample a subset from a larger population probability sample, random sample non prob ability sample

sample

a subset from a larger population

Experiment

an experiment is a method a researcher can use to gather primary data; the researcher alters one or more variables; the variables are prize, package design, shelf space, advertising theme, advertising expenditures while observing the effects of those alterations on another variable, usually sales

types of surveys:

inhome personal interviews, telephone interviews, mall intercept interviews, mail surveys, focus groups, questionnaire design Hallmark cards for telephone interviews at Wal Mart, they have a survey, and you can qualify for a reward

Observation Research

research method that relies on 4 types of observation: people watching people; people watching an activity; machines watching people; machines watching an activity sounds just like observation example: mystery shoppers (McDonald's, Starbuck's, TGI Fridays, I Hop, Olive Garden Fisher Price does it for children to observe them.

Research by Survey

the most popular technique for gathering primary data in which a researcher interacts with people to obtain facts, opinions, attitudes: