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DESCRIPTIVES
  VARIABLES=Group Height Age Weight Num_Sibs Distance Ran Pulse1 Pulse2
  /STATISTICS=MEAN STDDEV MIN MAX .

missing values age height weight pulse1 pulse2 (999).
value labels ran (1) Did Run (0) Did not run.
variable labels RAN "Ran for One Minute".


COMPUTE htm = (Height*2.54)/100 .
EXECUTE .

RECODE
  Sex
  ('F'=1)  ('M'=0)  INTO  Female .
EXECUTE .

Compute pulse1_ran = pulse1*ran.
execute.

SORT CASES BY Ran .
SPLIT FILE
  SEPARATE BY Ran .

DESCRIPTIVES
  VARIABLES=Group Height Age Weight Num_Sibs Distance Ran Pulse1 Pulse2
  /STATISTICS=MEAN STDDEV MIN MAX .

SPLIT FILE
  OFF.
RECODE
  Sex
  ('F'=1)  ('M'=0)  INTO  Female .
EXECUTE .


T-TEST
  GROUPS = Ran(0 1)
  /MISSING = ANALYSIS
  /VARIABLES = pulsediff pulse1 pulse2
  /CRITERIA = CI(.95) .

T-TEST
  PAIRS = Pulse1  WITH Pulse2 (PAIRED)
  /CRITERIA = CI(.95)
  /MISSING = ANALYSIS.

SORT CASES BY Ran .
SPLIT FILE
  SEPARATE BY Ran .


T-TEST
  PAIRS = Pulse1  WITH Pulse2 (PAIRED)
  /CRITERIA = CI(.95)
  /MISSING = ANALYSIS.

Split file off.