A researcher tests the hypothesis that female teachers are better at multitasking than male teachers. During an experimental session, female and male teachers completed as many classroom tasks as they...

A researcher tests the hypothesis that female teachers are better at multitasking than male teachers. During an experimental session, female and male teachers completed as many classroom tasks as they could in 5 minutes. Three raters made judgments concerning the number of completed tasks for each participant. What type of reliability should the researcher demonstrate?