001-MI-(Electrical Yerkes concept formation test instrument with administrators manual)
Concept Formation and Problem Solving, Thinking
Concept Formation in Multiple Choice Situations (Performance)
Concept formation in Yerke’s Multiple Choice Apparatus: This is a wooden apparatus with an acrylic top. A screen is fixed in between. It has a row of switches connected to respective row of lights on both the sides. Experimenter side is provided with a regulator to control the functioning of the buzzer. Subject can switch on or switch off the lights and buzzer from his side by operating the corresponding switches.
₹6,250.00
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