PSYC101 General Psychology
Final Assessment Review
Module 3 (Questions & Solutions)
2025
©2025
, 1. Case Study: Sensation and Thresholds
A student conducts an experiment in a soundproof room where
participants are exposed to tones of varying intensities to determine the
minimum level at which a tone is detectable.
Question: Which threshold is being measured?
A. Differential threshold
B. Absolute threshold
C. Subliminal threshold
D. Sensory adaptation threshold
ANS: B. Absolute threshold
Rationale: The absolute threshold is defined as the minimum intensity
of a stimulus that can be detected 50% of the time. This experiment
directly measures that baseline sensitivity.
---
2. Case Study: Sense Organs
A researcher studying color perception exposes subjects to light
wavelengths between 400 nm and 700 nm to examine photopic vision.
Question: Which retinal cell type is primarily responsible for photopic
(daylight) vision?
A. Rods
B. Cones
C. Retinal ganglion cells
D. Bipolar cells
ANS: B. Cones
Rationale: Cones mediate color vision under bright light conditions;
they are sensitive to different wavelengths, enabling color discrimination.
---
3. Case Study: Perception
©2025
, Participants are shown ambiguous figures that can be perceived in
multiple ways. The study examines how subjects organize visual input
into coherent wholes.
Question: Which perceptual process is primarily under investigation?
A. Top-down processing
B. Bottom-up processing
C. Perceptual constancy
D. Gestalt organization
ANS: D. Gestalt organization
Rationale: Gestalt principles describe how we inherently group visual
elements into organized, meaningful patterns despite ambiguous input.
---
4. Case Study: Sensation and Thresholds
In a tactile discrimination task, subjects receive pairs of similar pressure
stimuli with slight differences. The experiment seeks the smallest
difference subjects can detect.
Question: This smallest detectable difference is known as the:
A. Absolute threshold
B. Difference threshold
C. Sensory adaptation threshold
D. Response bias level
ANS: B. Difference threshold
Rationale: The difference threshold (or Just Noticeable Difference,
JND) is the minimum change in a stimulus that can be consistently
detected.
---
5. Case Study: Sense Organs – Auditory System
A researcher evaluates patients with cochlear damage, observing that
they have difficulty discerning certain frequency ranges.
©2025
Final Assessment Review
Module 3 (Questions & Solutions)
2025
©2025
, 1. Case Study: Sensation and Thresholds
A student conducts an experiment in a soundproof room where
participants are exposed to tones of varying intensities to determine the
minimum level at which a tone is detectable.
Question: Which threshold is being measured?
A. Differential threshold
B. Absolute threshold
C. Subliminal threshold
D. Sensory adaptation threshold
ANS: B. Absolute threshold
Rationale: The absolute threshold is defined as the minimum intensity
of a stimulus that can be detected 50% of the time. This experiment
directly measures that baseline sensitivity.
---
2. Case Study: Sense Organs
A researcher studying color perception exposes subjects to light
wavelengths between 400 nm and 700 nm to examine photopic vision.
Question: Which retinal cell type is primarily responsible for photopic
(daylight) vision?
A. Rods
B. Cones
C. Retinal ganglion cells
D. Bipolar cells
ANS: B. Cones
Rationale: Cones mediate color vision under bright light conditions;
they are sensitive to different wavelengths, enabling color discrimination.
---
3. Case Study: Perception
©2025
, Participants are shown ambiguous figures that can be perceived in
multiple ways. The study examines how subjects organize visual input
into coherent wholes.
Question: Which perceptual process is primarily under investigation?
A. Top-down processing
B. Bottom-up processing
C. Perceptual constancy
D. Gestalt organization
ANS: D. Gestalt organization
Rationale: Gestalt principles describe how we inherently group visual
elements into organized, meaningful patterns despite ambiguous input.
---
4. Case Study: Sensation and Thresholds
In a tactile discrimination task, subjects receive pairs of similar pressure
stimuli with slight differences. The experiment seeks the smallest
difference subjects can detect.
Question: This smallest detectable difference is known as the:
A. Absolute threshold
B. Difference threshold
C. Sensory adaptation threshold
D. Response bias level
ANS: B. Difference threshold
Rationale: The difference threshold (or Just Noticeable Difference,
JND) is the minimum change in a stimulus that can be consistently
detected.
---
5. Case Study: Sense Organs – Auditory System
A researcher evaluates patients with cochlear damage, observing that
they have difficulty discerning certain frequency ranges.
©2025
