Psy 305practice PDF

Preview

Summary

practice...

Description

WebCampus Help



Question 1 2 out of 2 points

JND is the Selected Answer:

Answers:

E.

smallest detectable difference between two stimuli. A.

difference in detection time for two different stimuli. B.

time it takes to notice a stimulus. C.

true difference in detection time. D.

judgment of no detection. E.

smallest detectable difference between two stimuli. 

Question 2 2 out of 2 points

_______ imaging technology defines locations in the brain where neurons are especially active using safe radioactive isotopes to measure the metabolism of brain cells. Selected Answer: Answers:

E.

PET A.

ME G B.

fMR I C.

MRI D.

EEG E.

PET



Question 3 2 out of 2 points

_______ is a psychophysical method in which the participant assigns values according to perceived magnitudes of the stimuli. Selected Answer: Answers:

C.

Magnitude estimation A.

Cross-modality matching B.

The method of constant stimuli C.

Magnitude estimation D.

The method of limits E.

The method of adjustment 

Question 4 2 out of 2 points

The doctrine of specific nerve energies involves the stimulation of Selected Answer:

A.

sensory fibers.

Answers:

A.

sensory fibers. B.

sensations. C.

nerve endings. D.

signals. E.

All of the above 

Question 5

2 out of 2 points

_______ makes it possible to measure localized patterns of activity in the brain by tracing changing levels of blood oxygenation. Selected Answer:

Answers:

C.

fMR I A.

PET B.

ME G C.

fMR I D.

MRI E.

EEG 

Question 6 2 out of 2 points

The method of _______ requires the experimenter to vary a perceptible stimulus until it is no longer perceived, or an imperceptible stimulus until it is finally perceived. Selected Answer: Answers:

D.

limits A.

adjustment B.

constant stimuli C.

matching D.

limits E.

sensation and perception 

Question 7 2 out of 2 points

_______ is the founder of psychophysics. Selected Answer:

A.

Fechne r

Answers:

A.

Fechne r B.

Weber C.

Plato D.

Wundt E.

Berkele y 

Question 8 2 out of 2 points

In signal detection theory, the _______ is an internal threshold that is set by the observer. Selected Answer: Answers:

E.

criterion A.

shift B.

sensitivity C.

method of limits D.

method of adjustment E.

criterion 

Question 9 2 out of 2 points

_______ is the ability to detect a stimulus and, perhaps, to turn that detection into a private experience.

Selected Answer: Answers:

E.

Sensation A.

Learning B.

Cognition C.

Discriminati on D.

Perception E.

Sensation 

Question 10 2 out of 2 points

_______ invented the ophthalmoscope, studied hearing, and first determined the speed of neural impulses. Selected Answer: Answers:

E.

Helmholtz A.

Ramón y Cajal B.

Fechner C.

Locke D.

Weber E.

Helmholtz 

Question 11 2 out of 2 points

_______ describes the relationship between a stimulus and its resulting sensation by proposing that the JND is a constant fraction of the stimulus intensity. Selected Answer:

D.

Weber's law

Answers:

A.

Fourier analysis B.

Signal detection theory C.

Fechner's law D.

Weber's law E.

Stevens' power law 

Question 12 2 out of 2 points

In signal detection theory, the _______ is a value that defines the ease with which an observer can tell the difference between the presence and absence of a stimulus or the difference between stimulus 1 and stimulus 2. Selected Answer:

A.

sensitivity

Answers:

A.

sensitivity B.

method of adjustment C.

shift D.

criterion E.

method of limits 

Question 13 2 out of 2 points

_______ is the science of defining quantitative relationships between physical and psychological events. Selected Answer: Answers:

E.

Psychophysics A.

Materialism B.

Fourier analysis C.

Signal detection theory D.

Dualism E.

Psychophysics 

Question 14 2 out of 2 points

_______is a term from philosophy that refers to one's private conscious experiences of sensation or perception. Selected Answer: Answers:

B.

Qualia A.

Perceptio ns B.

Qualia C.

Threshold s D.

Sensation s E.

Thoughts 

Question 15 2 out of 2 points

Absolute threshold is the minimum amount of stimulation necessary for a person to detect a stimulus _______% of the time. Selected Answer: Answers:

A.

50 A.

50 B.

80 C.

100 D.

30 E.

99 

Question 16 2 out of 2 points

The twelve pairs of nerves that originate in the brain stem and reach sense organs and muscles through openings in the skull are called the Selected Answer:

Answers:

C.

cranial nerves. A.

cranial tracts. B.

Müller mileau. C.

cranial nerves. D.

specific nerves. E.

nervy dozen. 

Question 17 2 out of 2 points

_______ is an imaging technology that uses the responses of atoms to strong magnetic fields to form images of structures, like the brain. Selected Answer:

B.

MRI

Answers:

A.

ME G B.

MRI C.

EEG D.

PET E.

fMR I 

Question 18 2 out of 2 points

The chemical substance used in neuronal communication at synapses is known as Selected Answer:

A.

neurotransmitt er.

Answers:

A.

neurotransmitt er. B.

axon. C.

transducer. D.

receptor. E.

lymph. 

Question 19 2 out of 2 points

The criminal justice system in United States is designed to be biased such that it would rather let a guilty person go free than convict an innocent person. In terms of signal detection theory, the courts would rather have a _______ than a _______. Selected Answer:

B.

miss; false alarm Answers:

A.

miss; correct rejection B.

miss; false alarm C.

hit; miss D.

false alarm; miss E.

correct rejection; miss 

Question 20 2 out of 2 points

_______ is the principle that describes the relationship between a stimulus and its resulting sensation that says the magnitude of subjective sensation is proportional to the stimulus magnitude, raised to an exponent. Selected Answer: Answers:

C.

Stevens' power law A.

Weber's law B.

Fourier analysis C.

Stevens' power law D.

Signal detection theory E.

Fechner's law 

Question 21 2 out of 2 points

_______ is the smallest distance at which two stimuli are just perceptible as separate. Selected

A.

Answer:

Two-point touch threshold

Answers:

A.

Two-point touch threshold B.

1 cm C.

1 mm D.

The qualia span E.

Fechner threshold 

Question 22 2 out of 2 points

The method of _______ requires the observer to alter the strength of a stimulus until it matches some criterion. Selected Answer: Answers:

C.

adjustment A.

sensation and perception B.

matching C.

adjustment D.

limits E.

constant stimuli 

Question 23 2 out of 2 points

A synapse is the junction between _______ that permits information transfer. Selected Answer:

C.

neurons

Answers:

A.

the spinal cord and brain B.

signals C.

neurons D.

stimuli E.

sensory fibers 

Question 24 2 out of 2 points

The time or space required for one cycle of a repeating waveform is its Selected Answer:

Answers:

E.

waveleng th. A.

phase. B.

angle. C.

sign. D.

amplitude . E.

waveleng th. 

Question 25

_______ is the act of giving meaning to a detected sensation. Selected Answer: Answers:

E.

Perception A.

Judgment

2 out of 2 points

B.

Learning C.

Cognition D.

Discriminati on E.

Perception 

Question 26 2 out of 2 points

The smallest detectable difference between two stimuli is called the Selected Answer:

Answers:

C.

just noticeable difference. A.

phase. B.

sensitivity. C.

just noticeable difference. D.

amplitude. E.

criterion....