Scenario B. A pediatrician is interested in whether deep breathing can alleviate the distress that children experience when receiving routine vaccines during wellness checks. She randomly assigns her 2 year old patients to either receive brief instructions on how to use deep breathing techniques or to receive no instruction prior to receiving routine vaccines. She expects that the children who receive the deep breathing instruction will show less distress during the vaccines than the children who did not receive the instructions. Is this a directional or non-directional hypothesis? O Non-Directional O Directional