Exam 1 (Ch.1,3,4) Flashcards

1
Q

Behavioral Perspective

A

an approach that focuses on external, environmental influences on behavior

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2
Q

Behaviorism

A

a psychological perspective that emphasizes the study of observable stimuli, responses, and consequences

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3
Q

Biological Perspective

A

an approach that focuses on physical causes of behavior

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4
Q

Case study

A

an in-depth observation of one or a few participants or settings

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5
Q

Casual hypothesis

A

an educated guess about how one variable will influence another variable

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6
Q

Cognition

A

mental processes such as reasoning and problem solving

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7
Q

Cognitive Perspective

A

an approach that focuses on how mental processes influence behavior

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8
Q

Confidentiality

A

the ethical principle that researchers do not reveal which data were collected from which participant

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9
Q

Confirmation Bias

A

a tendency to interpret people’s behavior in a way that supports our expectations

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10
Q

Cofounding Variables

A

factors other than the independent variable that affect the dependent measure

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11
Q

Control Group

A

the group of participants who do not receive the manipulation that is being tested

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12
Q

Correlation

A

the relationship between two or more variables

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13
Q

Critical Thinking

A

thought processes used to evaluate and analyze information and apply it to other situations

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14
Q

Debriefing

A

the ethical principle that participants be fully informed of the nature of the study after participating in research involving deception

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15
Q

Dependent Variable

A

the variable in an experiment that measures any effect of the manipulation

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16
Q

Double-Blind Studies

A

experiments in which neither the experimenters nor the participants know to which group (experimental or control) participants have been assigned

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17
Q

Eclectic approach

A

an approach that integrates and combines several perspectives when explaining behavior

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18
Q

Evolutionary perspective

A

an approach that focuses on how evolution and natural selection influence behavior

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19
Q

Experiment

A

a research method that is used to test causal hypotheses

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20
Q

Experimental Group

A

the group of participants who receive the manipulation that is being tested

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21
Q

Functionalism

A

an early psychological perspective concerned with how behavior helps people adapt to their environment

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22
Q

Generalizability

A

how well a researcher’s findings apply to other individuals and situations

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23
Q

Humanism

A

a psychological perspective that emphasizes the personal growth and potential of humans

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24
Q

Humanistic Perspective

A

an approach that focuses on how peoples’ view of themselves and the world influence behavior

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25
Q

Hypothesis

A

Educated guess

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26
Q

Independent variable

A

the variable in an experiment that is manipulated

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27
Q

Informed Consent

A

the ethical principle that research participants be told about various aspects of the study, including any risks, before agreeing to participate

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28
Q

Institutional Review Board (IRB)

A

a committee that reviews research proposals to ensure that ethical standards have been met

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29
Q

Introspection

A

observing one’s own thoughts, feelings, or sensations

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30
Q

Meta-analyses

A

research procedures that combine the findings from a number of scientific studies on the same question or topic to establish the reliability of the findings, observe any overall trends, and to resolve any discrepancies among the research studies

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31
Q

Naturalistic Observations

A

research studies conducted in an environment in which the behavior typically occurs

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32
Q

Negative Correlation

A

a relationship in which increases in one variable correspond to decreases in the other variable

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33
Q

Neuroscience

A

a field of science that investigates the relationships between the nervous system and behavior/mental processes

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34
Q

Placebo Effect

A

a measurable change in participants’ behavior due to the expectation or belief that a treatment will have certain effects

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35
Q

Population of Interest

A

the entire universe of animals or people that could be studied

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36
Q

Positive Correlation

A

a relationship in which increases in one variable correspond to increases in the other variable

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37
Q

Positive Psychology

A

the study of factors that contribute to happiness, positive emotions, and well-being

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38
Q

Prediction

A

an expected outcome of how variables will relate

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39
Q

Predictive Hypothesis

A

an educated guess about the relationships among variables

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40
Q

Pseudo-psychology

A

psychological information or conclusions that sound scientific but have not been systematically tested using the scientific method

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41
Q

Psychoanalytic Theory

A

Sigmund Freud’s view that emphasizes the influence of unconscious desires and conflicts on behavior

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42
Q

Psychodynamic Perspective

A

an approach that focuses on internal unconscious mental processes, motives, and desires that may explain behavior

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43
Q

Psychology

A

the scientific study of behavior and mental processes

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44
Q

Quasi-experiment

A

a research study that is not a true experiment because participants are not randomly assigned to the different conditions

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45
Q

Random Assignment

A

a method of assigning participants in which they have an equal chance of being placed in any group or condition of the study

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46
Q

Response

A

an organism’s reaction to a stimulus

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47
Q

Sample

A

the portion of the population of interest that is selected for a study

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48
Q

Scientific Method

A

a systematic process used by psychologists for testing hypotheses about behavior

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49
Q

Sociocultural Perspective

A

an approach that focuses on societal and cultural factors that may influence behavior

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50
Q

Stimulus

A

any object or event that is perceived by our senses

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51
Q

Structuralism

A

an early psychological perspective concerned with identifying the basic elements of experience

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52
Q

Surveys

A

research methods that ask a large group of people about their attitudes, beliefs, and/or behaviors

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53
Q

Theory

A

an explanation of why and how a behavior occurs

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54
Q

Absolute Threshold

A

the minimum intensity of a stimulus at which participants can identify its presence 50% of the time

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55
Q

Accommodation

A

the process through which the lens is stretched or squeezed to focus light on the retina

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56
Q

Amplitude

A

a physical property of some energies that corresponds to the height of wave peaks

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57
Q

Attention

A

conscious awareness; can be focused on events that are taking place in the environment or inside our minds

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58
Q

Auditory Nerve

A

the nerve that carries information from the inner ear to the brain

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59
Q

Basilar Membrane

A

the structure in the cochlear duct that contains the hair cells, which convert sound waves into neural impulses

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60
Q

Binocular Depth Cues

A

depth cues that utilize information from both eyes

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61
Q

Blindspot

A

the point where the optic nerve leaves the retina (the optic disk), where there are no rods or cones

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62
Q

Bottom-up processing

A

perception that is not guided by prior knowledge or expectations

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63
Q

Brightness

A

the intensity of light; it corresponds to the amplitude of the light waves

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64
Q

Closure

A

a Gestalt principle of perception that states that when we look at a stimulus, we tend to see it as a closed shape rather than lines

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65
Q

Cochlea

A

the curled, fluid-filled tube in the inner ear that contains the basilar membrane

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66
Q

Color Blindness

A

a condition in which a person cannot perceive one or more colors because of altered cone activity in the retina

67
Q

Cones

A

the cells of the retina that are sensitive to specific colors of light and send information to the brain concerning the colors we are seeing

68
Q

Cornea

A

the clear, slightly bulging outer surface of the eye that both protects the eye and begins the focusing process

69
Q

Cycle

A

a physical characteristic of energy defined as a wave peak and the valley that immediately follows it

70
Q

Dark Adaptation

A

the process through which our eyes adjust to dark conditions after having been exposed to bright light

71
Q

Decibels (dB)

A

the unit of measurement used to describe the loudness of a sound

72
Q

Dermis

A

the inner layer of the skin

73
Q

Epidermis

A

the inner layer of the skin

74
Q

Extrasensory Perception

A

also known as psi, the ability to acquire information about the world without using the known senses

75
Q

Feature Detection Theory

A

a theory of perception that proposes that we have specialized cells in the visual cortex, feature detectors, that fire only when they receive input that indicates we are looking at a particular shape, color, angle, or other visual feature

76
Q

Figure-ground

A

a Gestalt principle of perception that states that when we perceive a stimulus, we visually pull the figure part of the stimulus forward while visually pushing backward the background, or ground, part of the stimulus

77
Q

Frequency

A

a physical characteristic of energy defined as the number of cycles that occur in a given unit of time

78
Q

Frequency Theory

A

a theory that proposes that our brain decodes pitch directly from the frequency at which the hair cells of the basilar membrane are firing

79
Q

Gate control theory of pain

A

a theory of pain that proposes that tiny neural networks in the spinal cord block pain signals from a particular part of the body when they receive additional neural signals from intense tactile stimulation being applied to the same part of the body

80
Q

Gestalt Approach

A

a psychological school of thought originating in Germany that proposed that the whole of a perception must be understood rather than trying to deconstruct perception into its parts

81
Q

Good Continuation

A

a Gestalt principle of perception that states that we have a preference for perceiving stimuli that seem to follow one another as part of a continuing pattern

82
Q

Gustation

A

sense of taste

83
Q

Hair cells

A

neurons that grow out of the basilar membrane and convert sound waves into neural impulses

84
Q

Hue

A

the color of light; it corresponds to the light’s wavelength

85
Q

Inner Ear

A

the innermost portion of the ear that includes the cochlea

86
Q

Just noticeable difference

A

the minimum change in intensity of a stimulus that participants can detect 50% of the time

87
Q

Kinesthetics

A

the ability to sense the position of our body parts in relation to one another and in relation to space

88
Q

Lens

A

the part of the eye that lies behind the pupil and focuses light rays on the retina

89
Q

Light Adaptation

A

the process through which our eyes adjust to bright light after having been exposed to darkness

90
Q

Lock-and-Key theory

A

a theory that proposes that olfactory receptors are excited by odor molecules in a way that is similar to the way in which neurotransmitters excite receptor sites

91
Q

Loudness

A

the psychophysical property of sound that corresponds to the amplitude of a sound wave

92
Q

Middle Ear

A

the part of the ear behind the ear drum and in front of the oval window, including the hammer, anvil, and stirrup

93
Q
A
94
Q

Monocular Depth Cues

A

depth cues that require information from only one eye

95
Q

Olfaction

A

the sense of smell

96
Q

Olfactory Epithelium

A

a special piece of skin at the top of the nasal cavity that contains the olfactory receptors

97
Q

Opponent-process theory

A

the idea that we have dual-action cells beyond the level of the retina that signal the brain when we see one of a pair of colors

98
Q

Optic Chiasm

A

the point in the brain where the optic nerve from the left eye meets the optic nerve from the right eye

99
Q

Optic Nerve

A

the structure that conveys visual information away from the retina to the brain

100
Q

Outer Ear

A

the outermost parts of the ear, including the pinna, auditory canal, and surface of the ear drum

101
Q

Papillae

A

bumps on the tongue that many people mistake for taste buds

102
Q

Perception

A

the process through which we interpret sensory information

103
Q

Perceptual set

A

a general readiness to perceive something in a particular manner

104
Q

Pheromones

A

airborne chemicals that are released from glands and detected by the vomeronasal organs in some animals and perhaps humans

105
Q

Photopigments

A

light-sensitive chemicals that create electrical charges when they come into contact with light

106
Q

Pitch

A

the psychophysical property of sound that corresponds to the frequency of a sound wave

107
Q

Place Theory

A

a theory that proposes that our brain decodes pitch by noticing which region of the basilar membrane is most active

108
Q

Proximity

A

a Gestalt principle of perception that states that we tend to group close objects together during perception

109
Q

Psychophysics

A

the study of how the mind interprets the physical properties of stimuli

110
Q

Retinal Disparity

A

a binocular depth cue that uses the difference in the images projected on the right and left retinas to inform the brain about the distance of a stimulus

111
Q

Retina

A

the structure at the back of the eye that contains cells that convert light into neural signals

112
Q

Rods

A

the light-sensitive cells of the retina that pick up any type of light energy and convert it to neural signals

113
Q

Saturation

A

the purity of light; light that consists of a single wavelength produces the richest or most saturated color

114
Q

Sensation

A

the process through which our sense organs convert environmental energy such as light and sound into neural signals

115
Q

Signal detection theory

A

states that our ability to detect the presence of a stimulus is affected by more than just the intensity of that stimulus. Factors such as fatigue, motivation, and attention may also affect these judgments

116
Q

Similarity

A

a Gestalt principle of perception that states that we tend to group like objects together during perception

117
Q

Subliminal Perception

A

when the intensity of a stimulus is below the participant’s absolute threshold and the participant is not consciously aware of the stimulus

118
Q

Taste Buds

A

the sense organs for taste that are found between the papillae on the tongue

119
Q

Top-down processing

A

perception that is guided by prior knowledge or expectations

120
Q

Trichromatic theory of color vision

A

the idea that color vision is made possible by the presence of three different types of cones in the retina that react, respectively, to red, green, or blue light

121
Q

Vestibular sense

A

the sense of balance

122
Q

Visible spectrum

A

the spectrum of light that humans can see

123
Q

Volley Theory

A

a theory that proposes that our brain decodes pitch by noticing the frequency at which groups of hair cells on the basilar membrane are firing

124
Q

Wavelength

A

a physical property of some energies that corresponds to the distance between wave peaks

125
Q

Weber’s Law

A

psychological principle that states that for each of our five senses, the amount of change in the stimulus that is necessary to produce a jnd depends on the intensity at which the stimulus is first presented

126
Q

Activation-Synthesis Theory

A

suggests that dreams do not have symbolic meaning, but are the by-product of the brain’s random firing of neural impulses during REM sleep

127
Q

Circadian Rhythm

A

changes in bodily processes that occur repeatedly on approximately a 24- to 25-hour cycle

128
Q

Consciousness

A

feelings, thoughts, and aroused states of which we are aware

129
Q

Continuity Hypothesis

A

suggests that dreaming is a way of coping with daily problems and issues

130
Q

Depressants

A

drugs that inhibit or slow down normal neural functioning

131
Q

Enuresis

A

a condition in which a person over the age of 5 shows an inability to control urination during sleep

132
Q

Fetal Alcohol Syndrome

A

a birth condition resulting from the mother’s chronic use of alcohol during pregnancy, characterized by facial and limb deformities and intellectual disability

133
Q

Hallucinogens

A

drugs that simultaneously excite and inhibit normal neural activity, thereby causing distortions in perception

134
Q

Hypnosis

A

a state of relaxation and heightened suggestibility

135
Q

Insomnia

A

a sleep disorder in which a person cannot get to sleep and/or stay asleep

136
Q

Latent Content

A

according to Freud, the symbolic meaning of a dream

137
Q

Manifest Content

A

according to Freud, what the dreamer recalls on awakening

138
Q

Meditation

A

a practice whereby a person focuses their attention on a singular source such as a word, bodily sensation, or object for a period of time

139
Q

Melatonin

A

a hormone in the body that facilitates sleep

140
Q

Memory Theory

A

suggests that dreams are a way to consolidate information and get rid of trivial details in our memories

141
Q

Microsleep

A

a brief episode of sleep that occurs in the midst of a wakeful activity

142
Q

Mindfulness Meditation

A

a practice where a person intentionally focuses and pays attention to and experiences what is going on in the moment–their emotions, thoughts, and/or sensations–without judgment

143
Q

Narcolepsy

A

a rare sleep disorder in which a person falls asleep during alert times of the day

144
Q

Neodissociation Theory

A

Hilgard’s proposal that hypnosis involves two simultaneous states: a hypnotic state and a hidden observer

145
Q

Nightmares

A

brief scary REM dreams that are often remembered

146
Q

Night Terrors

A

very frightening non-REM sleep episodes

147
Q

Non-REM sleep

A

the relaxing state of sleep in which the person’s eyes do not move

148
Q

Opiates

A

painkilling drugs that depress some brain areas and excite others

149
Q

Psychoactive drugs

A

substances that influence the brain and thereby the individual’s behavior

150
Q

REM behavior disorder

A

a condition in which normal muscle paralysis does not occur, leading to violent movements during REM sleep

151
Q

REM Rebound

A

the loss of REM sleep is recouped by spending more time in REM on subsequent nights

152
Q

REM Sleep

A

an active state of sleep in which the person’s eyes move

153
Q

Restless Legs Syndrome

A

a neurological movement disorder occurring primarily at night in which a person has unpleasant sensations in the legs and an irresistible urge to move them to relieve the discomfort

154
Q

Response Set Theory of Hypnosis

A

asserts that hypnosis is not an altered state of consciousness, but a cognitive set to respond appropriately to suggestions

155
Q

Sleep Apnea

A

a sleep disorder in which a person stops breathing during sleep

156
Q

Sleep Disorder

A

a disturbance in the normal pattern of sleeping

157
Q

Sleepwalking

A

a sleep disorder in which a person is mobile and may perform actions during non-REM slow-wave sleep

158
Q

Stimulants

A

drugs that speed up normal brain functioning

159
Q

Substance Use Disorder

A

a condition in which a person cannot control their drug use and continues to use a drug despite negative social, occupational, and health consequences, risky use, as well as evidence of tolerance or withdrawal

160
Q

Suprachiasmatic nucleus (SCN)

A

a group of brain cells located in the hypothalamus that signal other brain areas when to be aroused and when to shut down

161
Q

THC

A

the active ingredient in marijuana that affects learning, short-term memory, coordination, emotion, and appetite

162
Q

Threat Simulation Theory

A

suggests that dreaming is an ancient biological defense mechanism that allows us to repeatedly simulate potentially threatening situations so that we can rehearse our responses to these events

163
Q

Tolerance

A

a condition in which after repeated use, more of a drug is needed to achieve the same effect

164
Q

Withdrawal Symptoms

A

physical or behavioral effects that occur after a person stops using a drug