Dr.Johnson hypothesizes that NutraSweet reduces short-term memory.In order to test her hypothesis she gives 10 subjects a beverage containing NutraSweet (treatment group)and 10 subjects a beverage without NutraSweet (control group).She then measures the subject's ability to recall a list of numbers.Dr.Johnson's dependent variable is measured using _____scale of measurement.
A)nominal
B)interval
C)ordinal
D)ratio
E)None of these

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The Answer of Dr.Johnson hypothesizes that NutraSweet reduces short-term memory.In order to test her hypothesis she gives 10 subjects a beverage containing NutraSweet (treatment group)and 10 subjects a beverage without NutraSweet (control group).She then measures the subject's ability to recall a list of numbers.Dr.Johnson's dependent variable is measured using _____scale of measurement.
A)nominal
B)interval
C)ordinal
D)ratio
E)None of these

DrJohnson Hypothesizes That NutraSweet Reduces Short-Term Memory