Twenty children are given several sessions of guided play with liquids and containers, while another 20 children serve as controls. Each child is tested on a liquid conservation task and it is found that 15 of the guided play children show conservation on the task whereas only 8 of the control children do so.
-5) The expected frequency for control children conserving is:
A) 12.5
B) 8
C) 11.5
D) 15

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The Answer of Twenty children are given several sessions of guided play with liquids and containers, while another 20 children serve as controls. Each child is tested on a liquid conservation task and it is found that 15 of the guided play children show conservation on the task whereas only 8 of the control children do so.
-5) The expected frequency for control children conserving is:
A) 12.5
B) 8
C) 11.5
D) 15

Twenty Children Are Given Several Sessions of Guided Play with Liquids