Controlled Lab Experiments - Allen Bevans
Controlled Lab Experiments - Allen Bevans
Controlled Lab Experiments - Allen Bevans
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Kinds of Variables<br />
• Cause � Independent Variable (IV)<br />
– The input or interface feature you have different designs<br />
for (e.g., mouse size = small or regular)<br />
– Characteristics of users (novice/expert)<br />
• Effect � Dependent Variable (DV)<br />
– the human behaviors or experiences that you measure for<br />
each level of the IV.<br />
– E.g., task time = 0 – 600 seconds<br />
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