In a classroom experiment, students were asked to place one paper clip in each hand. They were then instructed to add paper clips to the left hand until they were certain that the clips in the left hand weighed more than the paper clips in the right hand. The class average was seven paper clips before a difference in weight was observed. Students were then asked to follow the same procedure with psychology text books. The instructor is demonstrating:
a. a comparison of absolute thresholds.
b. adaptation.
c. Webers law.
d. stimulus generalization.
I'm almost sure that it's c-Weber's law,but also thinking about a.
Thank's for any help!
If the students were blindfolded, webers law.
Thank You!
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To determine the correct answer, let's break down the options and understand what each concept means:
a. Comparison of absolute thresholds: Absolute threshold refers to the minimum level of stimulus intensity that is required for detection. In this case, the experiment is not focused on comparing the thresholds of perception in different stimuli, but rather on observing differences in perceived weight.
b. Adaptation: Adaptation refers to the decrease in sensitivity to a constant or unchanging stimulus over time. However, this experiment does not involve adaptation since the stimulus (paper clips or books) remains constant.
c. Weber's law: Weber's law states that the just noticeable difference (JND) between two stimuli is proportional to the magnitude of the stimuli. This law is applicable in this experiment as the students are adding paper clips to one hand until they perceive a noticeable difference in weight compared to the other hand. This difference can be seen as the JND.
d. Stimulus generalization: Stimulus generalization refers to the tendency to respond to stimuli that are similar to the original conditioned stimulus. However, this concept is not applicable here since the experiment is focused on perceiving differences in weight, not on generalizing responses to similar stimuli.
Based on the given information, it appears that c. Weber's law is the most relevant concept demonstrated in this classroom experiment.