This clip shows a single-n design testing the participant’s ability to make free throws under 3 different conditions: auditory distraction (rock band), visual distraction(fans), and control (no distraction). The first clip contains the visual distraction and control conditions, the second clip contains the auditory distraction.
Clip 1 (6:40): http://www.youtube.com/watch?v=wkqowzcoonI
Clip 2 (3:21): http://www.youtube.com/watch?v=P2o_w_cws0U
Quasi-experimental design; Manipulating IVs