Equity theory, most popularly known as equity theory of motivation, was first developed by John Stacey Adams, a workplace and behavioral psychologist, in 1963.
On average there are about 4.3 weeks in a month. Each week is 7 days, and there are normally either 30 or 31 days in a month, so there are usually between 4.2 and 4.4 weeks per month. The exception is February because it has fewer days, so there are about 4 weeks in that month. On average there are about 4.3 weeks in a month.
January = 31 Days = 4 weeks. February = 28 Days (leap years 29) = 4 weeks. March = 31 Days = 5 weeks. April = 30 Days = 4 weeks. May = 31 Days = 5 weeks. June = 30 Days = 4 weeks. July = 31 Days = 5 weeks. August = 31 Days = 4 weeks.