Which child is illustrating use of executive function?

When preschoolers participate in the liquid conservation task, they focus on the height of the water in the glass and ignore other aspects of the problem, such as the diameter of the glass. This illustrates which characteristic of preoperational thought?

Motor-skill development in early childhood is:

A person asks a doctor whether they should start toilet training really early or whether to wait until later. Having studied developmental science, doctor tells them:

Six-year-old Tessie misses a lot of school because her mother is often preoccupied by complications of her substance use disorder and can’t help her to get ready in the morning. Tessie also has a speech delay, but her mother does not take her to the speech therapist for intervention services. Which type of child maltreatment is described in this scenario?

Marisol likes to play games on her iPad or watch Dora the Explorer before bedtime. Jiya’s bedtime routine varies from one night to the next. Based on this information:

Suri is shown two rows of five pennies. The pennies in each row are the same distance apart. When asked if there are the same number of pennies in each row, she says yes. When one of the rows of pennies is spaced further apart, Suri is asked whether there is the same number of pennies in each row or whether one row has more. Suri answers that one row has more. Based on this information, Suri is MOST likely to be which age?

A ________ controls the gas flow rate. 

 A 52-year-old patient in severe respiratory distress has been placed on 100% oxygen delivered via a nonrebreather mask. The patient has been admitted from the emergency department and is going to the intensive care unit. The respiratory therapist gets an E-cylinder oxygen tank and notes that it has 500 psi. What should the respiratory therapist do?

Charles’ law explains the relationship between volume and temperature of a gas.