Clinical Observations at a Child Guidance Center Indicate That Three

Multiple Choice

Clinical observations at a child guidance center indicate that three interventions hold promise for helping autistic children. The three interventions are behavioral, behavioral coupled with family systems, and behavioral coupled with psychoeducation. However, evidence-based practice dictates that the three interventions be tested to determine which is the most effective. How can a researcher compare the differences among the three interventions using a statistical test?

A) T-test
B) Measures of central tendency
C) Measures of variability
D) ANOVA