Solution:

• Cultural lag – The term was coined by sociologist William F. Ogburn in his 1922 work Social change with respect to culture and original nature.
• His theory of cultural lag suggests that a period of maladjustment occurs when the non-material culture is struggling to adapt to new material conditions.
• The difference between material culture and non-material culture is known as cultural lag.
• The term cultural lag refers to the notion that culture takes time to catch up with technological innovations, and the resulting social problems that are caused by this lag.