Explain what quasi-experimental research is and distinguish it clearly from both experimental and correlational research.

1. Explain what quasi-experimental research is and distinguish it clearly from both experimental and
correlational research.

2. Describe three different types of one-group quasi-experimental designs.
3.
Identify the threats to internal validity associated with each of these designs.
2.
Describe three different types of one-group quasi-experimental designs.
3.
Identify the threats to internal validity associated with each of these designs.