(All Steps) Pelton (1983) reported that Olympic-level Marksmen shoot much better if they fire between heartbeats rather than squeezing the trigger during
Question: Pelton (1983) reported that Olympic-level Marksmen shoot much better if they fire between heartbeats rather than squeezing the trigger during a heartbeat. The small vibration caused by a heartbeat seems to be sufficient to affect the marksmen's aim. The following hypothetical data demonstrate this phenomenon. A sample of n=8 Olympic marksmen fire a series of rounds while a researcher records heartbeats. for each marksman, the total score is recorded for shots fired during heartbeats and for shots fired between heartbeats. Do these data indicate a significant difference? test with a=.05.
Participants During Between
Heatbeats Heartbeats
A 93 98
B 90 94
C 95 96
D 92 91
E 95 97
F 91 97
G 92 95
H 93 97
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