Q1: Does the study use or collect measurements or assessments about individual humans? YES
Q2: What is the primary mode of inquiry? QUANTITATIVE
Q3: Does the investigator assign one or more interventions? YES
Q4: Are there one or more control groups? YES
Q5: Does the participant serve as his/her own control? YES
Question 6: Are treatment and control periods repeated for a single participant?
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". Content on CTSpedia is covered by disclaimers.