# A researcher wants to know if novice observers who are watching children interact during play are…

A
researcher wants to know if novice observers who are watching children interact
during play are seeing and recording the same kinds of behaviors that their
more experienced counterparts are. To find out, the researcher asks novice and
experienced observers to watch a 20-minute video of children interacting during
recess at school. Both sets of observers are told to identify and rank order
the 10 most important events they see on the video

(1
=most important event, 10 =least important event). The ranks assigned to the
events are then averaged to create an average rank order for the
»

A
researcher wants to know if novice observers who are watching children interact
during play are seeing and recording the same kinds of behaviors that their
more experienced counterparts are. To find out, the researcher asks novice and
experienced observers to watch a 20-minute video of children interacting during
recess at school. Both sets of observers are told to identify and rank order
the 10 most important events they see on the video

(1
=most important event, 10 =least important event). The ranks assigned to the
events are then averaged to create an average rank order for the entire group.
Table 15.17 shows the data.

a.
What kind of correlation (positive or negative, weak or strong) would you
expect if the novice observers were in agreement in their rankings with the
more experienced observers?

b.
What is the correlation between these two sets of averaged rankings?

»

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