Examlex
Imagine that you want to improve middle school students' ability to learn information from their textbooks. Considering research results described in the textbook, which technique would you be most likely to use?
Null
A value used in databases and programming to represent the absence of a value or a 'nothing' state.
Zero-Length
A term that refers to a string or text field that is allowed to have no characters, essentially being empty but not null.
Multivalued
Describes an attribute or field in a database that can hold multiple values in a single record.
Lookup List
A pre-defined list of values that can be selected within a form or database field.
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