A researcher plans to conduct a complete repeated measures design in which the independent variable is manipulated using four conditions that vary the level of violence depicted in a photograph (none,low,medium,high).There are 10 photographs in each of the four conditions.Each participant will rate each photo once and therefore make a total of 40 ratings.If the researcher wishes to have 80 ratings for each photo,how many participants should the researcher recruit?
A)2
B)10
C)40
D)80

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The Answer of A researcher plans to conduct a complete repeated measures design in which the independent variable is manipulated using four conditions that vary the level of violence depicted in a photograph (none,low,medium,high).There are 10 photographs in each of the four conditions.Each participant will rate each photo once and therefore make a total of 40 ratings.If the researcher wishes to have 80 ratings for each photo,how many participants should the researcher recruit?
A)2
B)10
C)40
D)80

A Researcher Plans to Conduct a Complete Repeated Measures Design