Mrs. Lachance organized her family-centered childcare facility to provide a space for parents to sit and relax as they picked up their children. She developed a coupon-sharing opportunity and set up a library with books on child-rearing. There was either a monthly breakfast or potluck in the evening in addition to bimonthly phone calls or opportunities for conferences. One Saturday a year she arranged for a gym day at the center. What characteristic of effective family involvement is this

Variety

Explanation:

There are facilities that host a lot of activities ongoing in them, most of them may have related activity while others would have diverse activity. An example is have a building which has work-out center and also a cinema. These buildings having various activities on the same complex is known as variety, these is what Mrs. Lachance organized her family-centered childcare facility to, having various activities in it to qualify it for a variety.

i dont know sorry why dont you looking it up on google