Regarding the Practice of Manipulating Two Variables Simultaneously in a Single-Subject

question 26

Multiple Choice

Regarding the practice of manipulating two variables simultaneously in a single-subject study, one should conclude:

• A) This practice is acceptable as researchers now believe that we can tease out interactive effects.
• B) This practice is acceptable because we can statistically manipulate individual variables.
• C) This practice is unsound because in so doing we are unable to assess effects of either variable.
• D) This practice is unsound because in so doing we confuse the participant as a threat to validity.

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Definitions:

Microsoft Excel

A spreadsheet application developed by Microsoft, which allows users to create, manipulate, and analyze data through tables, formulas, and charts.

Linking

The process of creating connections between various pieces of data, documents, or programs to facilitate easy access to related information.

Importing

The process of bringing data from an external source into a software application or system.

External File

A file stored outside of the current working document or database, which can be accessed or imported into the document.