Research aims to draw conclusion about relationships among variables. There are a number of threats to validity-factors that interfere with making reliable and clear conclusions. Which of the following designs is a control for a threat to internal validity?
A)ABAB design
B)The Solomon Four-Group design
C)Whole interval sampling design
D)Controlled dependent variable design

Question

Quizplus · Accepted Answer

The Solomon Four-Group design is an answer to the threat of testing or test practice (a threat to internal validity), which involves familiarity with test subject affecting scores on repeated testing. This design involves dividing subjects into four groups; each group receives a different combination of measurement and intervention.

Research Aims to Draw Conclusion About Relationships Among Variables