Time left $145$:$15$

Note: Use this scenario for all $10$ questions on the exam.

Nursing staff at a local long$-$term care faclity work three $12$ hour shifts per week, half work during the day and half work during the night shift. Patient handling is the primary scurce of injuries at the facility. Younger and older workers seem to be most susceptible to injuries. while middle$-$aged workers are not injured as often. You design a study to assess the effectiveness on worker training to reduce injuries among the staff. Annual injury rate is the outcome of concern that is being measured. You will randomly assign a sample of workers to one of four groups.

Group $1$ will receive patient handling training.

Group $2$ will receive training and wcokly patient handling tip emails.

$\text{'}$ Group $3$ will receive no training but will receive patient handling tip emails.

Group $4$ will receive nathing.

You assess the annual injury rate before and after the intervention for all groups.

What type of variable is shift $($dsy v$8.$ night$)?$

Select one:

a$.$ Ratio

b$.$ Interval

c$.$ Continuous

d$.$ Discrete