Figure:
Two observers observe a child in the classroom every 30 minutes to record whether he is behaving aggressively.They use two categories for their observations: yes (aggressive)or no (not aggressive).Using the data presented below,answer the following questions.
-Do you think the observers demonstrated acceptable interobserver reliability? Why or why not?

Question

Figure:
Two observers observe a child in the classroom every 30 minutes to record whether he is behaving aggressively.They use two categories for their observations: yes (aggressive)or no (not aggressive).Using the data presented below,answer the following questions. 
-Do you think the observers demonstrated acceptable interobserver reliability? Why or why not?

Quizplus · Accepted Answer

The Answer is The observers agreed for only half of their observations;this is not acceptable interobserver reliability.For the reliability to be acceptable,they should have agreed at least 85% of the time;in this example,they should have agreed for 9 of the 10 observations.

Figure: Two Observers Observe a Child in the Classroom Every 30