A Research Article Reports That 4 of 10 Students Who

Multiple Choice

A research article reports that 4 of 10 students who received an intervention from a school social worker dropped out of school, while 6 of 10 students in the control group dropped out. The difference was not statistically significant. What can be inferred from these statistics?​

A) ​The social worker's intervention was not effective.
B) ​The social worker's intervention was effective, but just not at a statistically significant level.
C) ​The same difference in drop out rates with a much larger sample might be statistically significant.
D) ​The same difference in drop out rates with a smaller sample might be statistically significant.