One Psychologist developed a questionnaire on employee-green behaviour. He found the reliability coefficient with initial 50 items to be 0.75. Then he increased the length of this questionnaire to 70 items. What would be the probable value of new reliability coefficient?
1
Will remain 0.75
2
Will become<0.75
3
Will become>0.75
4
Will decrease from 0.75 and then it will increase