In the study, 32 participants put a golf ball to a 5-centimeter golf cup. Each participant attempted 20 putts. The researcher wrote, "A downward facing projector displayed displayed a ring of 11 small (3.8 centimeters in diameter) or 5 large (28 centimeters) circles around each hole to create an Ebbinghaus illusion." For each illusion, participants attempted 10 putts from a distance of 3.5 meters, and we recorded how many putts dropped into the hole" (Witt et al, 2012, p. 397). The researchers hypothesized that participants would make more putts when the hole was surrounded by smaller circles (making the golf hole appear larger) than when it was surrounded by larger circles (making the golf hole appear smaller. How would classify the design of the study? a. This was a correlation study b. This was an experiment using a between-groups research design c. This was an experiment using a within-groups research design d. This was an outlier analysis
In the study, 32 participants put a golf ball to a 5-centimeter golf cup. Each participant attempted 20 putts. The researcher wrote, "A downward facing projector displayed displayed a ring of 11 small (3.8 centimeters in diameter) or 5 large (28 centimeters) circles around each hole to create an Ebbinghaus illusion." For each illusion, participants attempted 10 putts from a distance of 3.5 meters, and we recorded how many putts dropped into the hole" (Witt et al, 2012, p. 397). The researchers hypothesized that participants would make more putts when the hole was surrounded by smaller circles (making the golf hole appear larger) than when it was surrounded by larger circles (making the golf hole appear smaller.
How would classify the design of the study?
a. This was a
b. This was an experiment using a between-groups research design
c. This was an experiment using a within-groups research design
d. This was an outlier analysis
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What was the independent variable in this experiment?
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