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Methodist Healthcare

"We have been partnering with Superior DataWorks since 2005 and we have always trusted their team to meet our marketing research needs. Whether we require assistance with an online, phone or mailed survey, they are always prompt, professional, accurate and proactive. We really appreciate their flexibility with our ever-changing needs and helping us meet our strategic goals and objectives."
~ Cori Grant, MS, MBA

Homewood Suites by Hilton
"We have seen dramatic increases in both customer and employee satisfaction since utilizing Superior DataWorks."
~ Frank Saitta
Choice Hotels International
"I've always had great success when I've worked with Superior DataWorks. Each project is always done thoughtfully, efficiently and professionally. On my last mystery shopper project, they really added value to the research by including insights that another vendor might not have noticed."
~ David Ginsburg
International Paper
"Superior DataWorks was fast, efficient, economical, and creative in their work for International Paper. In helping us improve customer service, they gave outstanding customer service and support. I highly recommend Superior DataWorks."
~ Rick Carpenter
Hilton Hotels
"We have used Superior DataWorks for over five years conducting surveys, shopping calls, and data collection. The team has been creative in developing unique solutions to our data needs as well as rapidly completing the projects on-time, and on budget."
~ Bill Petschonek
Choice Hotels International
"Thank you for all of your efforts to successfully complete the second annual U.S. Franchisee Survey. In completing comprehensive interviews with over 1,000 of our hotel owners and general managers, you have provided our Board of Directors and senior management invaluable insights for strategic planning. Thank you for the many hours and much thinking devoted to ensuring the accuracy of the results."
~ Catherine Shaw


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Data - Raw, unsummarized, and unanalyzed facts and figures.

Data Mining Software - uses sophisticated decision-making processes to search raw data for patterns and relationships that may be significant.

Degrees of Freedom - A measure of how precise an estimate of variation is. It is defined as (n-1), or one less than the sample size.

Deontology - An ethical or moral reasoning framework that focuses on the welfare of the individual and that uses means, intentions, and features of the act itself in judging its ethicality; sometimes referred to as the rights or entitlements model.

Dependent (or Correlated) Sample t-test - Used to compare two means taken from the same sample, such as in a pretest/posttest situation.

Descriptive Statistics - Concerned with the mathematical techniques that are used to describe collected sample data.

Dichotomous Question - Fixed-alternative question in which respondents are asked to indicate which of two alternative responses most closely corresponds to their position on a subject.

Discrete Variables - Variables of which there is no possible value between adjacent units on the scale; there are separate, distinct measurements of a given characteristic. Examples are the frequency of any event, gender, and hair color. Nominal and ordinal variables are always discrete.

Discriminant Analysis - Statistical technique employed to model the relationship between a dichotomous or multichotomous criterion variable and a set of p predictor variables.

Disguise - Amount of knowledge about the purpose of a study communicated to the respondent by the data-collection method. An undisguised questionnaire, for example, is one in which the purpose of the research is obvious from the questions posed, whereas a disguised questionnaire attempts to hide the purpose of the study.

Disproportionate Stratified Sampling - Stratified sample in which the individual strata or subsets are sampled in relation to both their size and their variability; strata exhibiting more variability are sampled more than proportionately to their relative size, while those that are very homogeneous are sampled less than proportionately.

Distribution - A given set of values or measures of the same characteristic. An example is a list of the scores students in one class made on their last test.

Distribution of Sample Means - The collection of sample means for all the possible random samples of a particular size that can be obtained from a given population.

Double-Barreled Question - A question that calls for two responses and thereby creates confusion for the respondent.