PSY 120 - Exam 2 Purdue Questions with complete solution 2024

PSY 120 - Exam 2 Purdue Questions with complete solution 2024 PSY 120 - Exam 2 Purdue transduction - correct answer conversion from sensory stimulus energy to action potential absolute threshold - correct answer the minimum stimulation needed to detect a particular stimulus 50% of the time subliminal messages - correct answer stimuli below our absolute threshold just noticeable difference (JND) or difference threshold - correct answer the minimal change in a stimulus that can just barely be detected Who was Ernst Weber? - correct answer -proposed a theory in difference threshold - created Weber's Law What is Weber's Law? - correct answer The difference threshold is a constant fraction of the original stimulus perception - correct answer the way sensory information is organized, interpreted, and consciously experienced bottom-up processing - correct answer perceptions are built from sensory input