In an experiment conducted by Professor Costa, the participants' first task is to press any button if they see a red light blink. For the second task, they press the rightmost button if they see a red light blink and the leftmost button if they see a green light blink. Professor Costa is studying the difference in the average lag times of these two tasks. The early psychologist whose experiments this is similar to is

The early psychologist whose experiments this is similar to is Wilhelm Wundt.

Explanation:

Professor Costa decided to conduct an experiment to study the difference in the average lag times of two tasks.

For this experiment, two tasks were given to the participant. First task is to press any button if they notice red light blink. The second task is to press the button located right side to the participant if they see the red light blink or press the button located left side to the participant if they see blinking of the green light.

This experiment was similar the experiment conducted by the German psychologist Wilhelm Wundt.

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