The visitor is looking for a way to provide an education or otherwise positive influence for their children, or to simply share the burden of care
Motivations
Morris Hargreaves McIntyre. Audience knowledge digest: Why people visit museums and galleries, and what can be done to attract them. March 2007 [here]
Self improvement
The visitor hopes to gain knowledge, learn new skills, and become cultured
Academic interest
The visitor has a critical interest in the assets of the museum, and hopes to develop a complete understanding of a topic and thus feel like an expert
Cultural identity
The visitor hopes to learn more about their cultural history and place in their community
Nostalgia
The museum represents a positive view of the recent past: good memories that can be relived during the visit
Time travel
The visitor enjoys travelling back or forward in time to a experience a way of life that is unfamiliar but intriguing
Personal relevance
The visitor is attracted by a personal connection that they share with the museum