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Marketing

I

  Immigration:
Movement of people from one country to another country.

In-house Recruiting:
The focus group recruiting of people who are physically located within the facility.

Incentive:
The payment to participants for coming to a focus group or participating in survey research. The amount varies depending upon various circumstances.

Incidence:
Any figure referring to the percentage of people in a category.

Income:
Wage or salary income; self-employment income; interest, dividend, or net rental income; Social Security income; public assistance income; all other income, which includes unemployment compensation, veterans’ payment, pensions, & alimony.

Independent Samples:
Measurement of a variable in one population has no effect on the measurement of the variable in the other.

Independent Variable:
A variable that is controlled or manipulated by the researcher.

Interactive Advertising Bureau (IAB):
The IAB is a US based trade association promotes and regulates Internet advertising.

Intercept:
A recruitment method in which an interviewer contacts potential respondents in a mall or other public location and administers survey.

Internal Consistency Reliability:
Ability to produce similar results using different samples to measure a phenomenon during the same time period.

Internal Database:
Database developed from data within the organization.

Internal Marketing:
The process of eliciting support for a company and its activities among its own employees, in order to encourage them to promote its goals. This process can happen at a number of levels, from increasing awareness of individual products or marketing campaigns, to explaining overall business strategy.

Internal Validity:
The extent to which competing explanations for the experimental results observed can be avoided.

Interrupted Time-Series Design:
Research in which the treatment interrupts ongoing repeated measurements.

Interval:
Taking a given number of units equally selected over the full population of study. The nth number interval is derived by dividing the total number of units by the sample number desired.

Interval Estimates:
Inferences regarding the probability that a population value will fall within a certain range.

Interval Scale:
Ordinal scale with the additional property that the distance between observations is meaningful. An example would be the temperature.

Interviewer:
The person responsible for recruiting participants for a focus group or the person administering a questionnaire.

Interviewer Error:
Error that results from conscious or unconscious bias in the interviewer’s interaction with the participant.

Interviewer’s Instructions:
Written directions instructing how to conduct the interview.

Invisible Processing:
The process of collecting information about respondents without their knowledge.

Itemized Rating Scales:
Scales in which the respondent selects an answer from a limited number of ordered categories.