14. A study investigates how leisure walking affects individuals' attitudes to the pandemic. A scale, Cognitive-Affective Maps (CAM), is used to measure individual's cognitive and affective attitudes toward the corona pandemic and related issues. The values of CAM between two groups of individuals after they a leisure walk and any self-chosen activity at home, are compared. A sample of 200 subjects is considered. Describe a randomized experimental study is conducted to collect the data for the study. State how to analyses the effects of a leisure walk on cognitive and affective attitudes