_______________________ are what preschool children feel when their behaviors violate

A restaurant manager wants to investigate the effect of using wine in sauces on the amount of money the restaurant makes per day. What type of variable is the presence or absence of wine in the sauces?

a) control b) dependent c) extraneous d) independent

Of families living in poverty, the highest percentage is comprised of families headed by a single mother

Indicate whether the statement is true or false