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18 Cards in this Set
- Front
- Back
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Editing
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The process of checking the completness, consistency and legibility of data and making the data ready for coding and transfer storage
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Field Editing
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Preliminary editing by a field supervisor on the same day as teh interview to catch techniacal omissions, check legibility of handwriting, and clarify responses that are logically or conceptually inconsistent
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Item Non Response
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The technical term for an unaswered question on an otherwise complete questionnaire resulting in missing data
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Plug Value
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An answer than an editor "plugs in" to replace blanks or missing values so as to permit data analysis
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Impute
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To fill in a missing data point through the use of a statistical process providing an educated guess
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Three types of "Don't Know" Answers
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Legitimate (no opinion)
Reluctant (refusal to answer) Confused (does not understand) |
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Coding
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The process of assigning a numerical score or other character symbol to previously edited data
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Codes
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Rules for interpreting, classifying and recording data in the coding process
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Dummy coding
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Number 1 or 0 coding where each number represents an alternate response such as "female" or "male"
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Data entry
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The activity of transferring data from a research project to computers
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Optical scanning system
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Data processing input service taht reads material directly from marked sensed questionnaire
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Field
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A collection of characters that represent a signle piece of data, usually a variable.
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String characters
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Computer terminology for a series of alphabetic characters (non numeric characters) that my form a word
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Record
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A collection of related fields that represent responses from one sampling unit
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Data File
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The way a data set is stored electronically in spreadsheet like form in which the rows represent sampling units and the columns represent variables
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Two basic rules for coding categories:
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They should be exhaustive (should exist for all possible responses)
They should be mutually exclusive and independent |
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Test tabulation
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tallying of a small sample of the total number of replies to a particular qeustion in order to construct coding categories
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Coding Sheet
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Identifies each varaibles in a study and gives the variable's description, code name, and position in the data matrix
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