discuss the external/internal validity of your study and, if applicable, discussion validity and reliability in general in this study and also dentify your variables (dependent/independent) . Also, provide clear / detailed operational definitions of your variables. The article is in the attached file Brit.J.Sports Med.:
'THE EFFECT OF REGULAR EXERCISE
ON COGNITIVE FUNCTIONING AND PERSONALITY"
R. J. YOUNG,
Assistant Professor, Department of Physical Education,
Washington University, St.
Louis, MO 63130
The effect of regular exercise on cognitive functioning and personality was investigated in 32 subjects representing 4
week exercise programme of jogging, calisthenics, and
was administered to assess functioning in a number of domains: intelligence (WAIS
(WMS Visual Reproduction and Associate Learning); morale and life satisfaction (Life Satisfaction and Control
Ratings); anxiety (MAACL); and depression
Improvement was observed on several physiological parameters. ANOVA revealed significant sex and age differences
Symbol and Block Design and age differences on Trail-Making, Crossing-Off, Associate Learning, and anxiety.
Regardless of sex and age, significant improvement in performance was observed from pre to post-test on Digit Symbol,
and on Associate
on health status rating
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