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Operational definition
________ describes the specific procedure used to determine the presence of a variable.
Validity
________ is the extent to which an instrument measures or predicts what it is supposed to.
Russian physiologist Ivan Pavlov
________ trained dogs to salivate in response to the sound of a tone, demonstrating stimulus- response learning.
Freud
________ believed that early life experiences shape personality and that the unconscious is the source of desires, thoughts, and memories.
Reliability
________ is consistency or repeatability.
G Stanley Hall
________ founded the American Psychological Association, founded a psychology lab using introspection at Johns Hopkins University, and became its first president.
Descriptive Statistics
________: Numbers that summarize a set of research data obtained from a sample.
Pavlovs experiments
________ at the beginning of the 20th century paved the way for behaviorism, which dominated psychology in America from the 1920s to the 1960s.
Empirical philosopher Locke
________ believed that mind and body interact symmetrically (monism), knowledge comes from observation, and what we know comes from experience since we are born without knowledge,"a blank slate "(tabula rasa)
Participation
________ in a study should be voluntary, and not coerced or influenced as part of a grade, raise, or promotion.
Statistical significance
________ (p) is a measure of the likelihood that the difference between groups results from a real difference between the two groups rather than from chance alone.
American Psychological Association
The ________ (APA) lists ethical principles and code of conduct for the scientific, educational, or professional roles for all psychologists.
Wundt
________ used trained introspection to study the mind's structure and identify consciousness's basic elements- sensations, feelings, and images.
Nature nurture controversy
________: which our behavior is inborn or learned through experience.
standard deviation
Variance and ________ (SD) indicate the degree to which scores differ from each other and vary around the mean value for the set.
Sigmund Freud
________ opposed behaviorists in Austria.
Descartes
________ defended mind- body dualism (Cogito ergo sum "- I think, therefore I am) "and that what we know is innate.
Neuropsychologists
________ explore the relationships between brain /nervous systems and behavior.
scientific experiment
In a(n) ________, the researcher controls a variable and observes the response.
modern psychology
The model is a unifying theme in ________ drawing from and interacting with the seven approaches to explain behavior.
median
The ________ is the middle score when the set of data is ordered by size.
mode
The ________ is the most frequently occurring score in a set of research data.
Roots of psychology
________ can be traced to philosophy and physiology /biology over 2, 000 years ago in ancient Greece.
Case Study
________: is an in- depth examination of a specific group or single person that typically includes interviews, observations, and test scores.
Meta analysis
________ provides a way of statistically combining the results of individual research studies to reach an overall conclusion.
Survey Method
________: researchers use questionnaires or interviews to ask a large number of people questions about their behaviors, thoughts, and attitudes.
Clinical psychologists
________ treat people with temporary psychological crises like grief, addiction, or social issues and those with chronic psychiatric disorders.
Social psychologists
________ focus on how a persons mental life and behavior are shaped by interactions with other people.
Humanists
________ value feelings and believe people are naturally positive and growth- seeking.
Wilhelm Wundt
In 1879, ________ founded scientific psychology by founding a laboratory in Leipzig, Germany, to study immediate conscious sensation.
Inferential statistics
________ are used to interpret data and draw conclusions.
Psychoanalytic theory
________ explained mental disorders, personality, and motivation through unconscious internal conflicts.
Demand characteristics
________: The clues participants discover about the purpose of the study, including rumors they hear about the study suggesting how they should respond.
Variables
________ are factors with multiple values.
Variability
________ describes the spread or dispersion of scores for a set of research data or distribution.
Psychologists
________ studied social and environmental factors affecting cultural differences in behavior.
Double
________- blind procedure, a research design in which neither the experimenter nor the participants know who is in the experimental group and who is in the control group.
Margaret Floy Washburn
Titchener's first graduate student and first psychology PhD was ________.
Frequency polygon
________- a line graph that replaces the bars with single points and connects the points with a line.
Single blind procedure
________, a research design in which the participants dont know which treatment group- experimental or control- they are in.
psychological factors
The biopsychosocial model integrates biological processes, ________, and social forces to provide a more complete picture of behavior and mental processes.
Placebo effect
________ is now used to describe any cases when experimental participants change their behavior in the absence of any kind of experimental manipulation.
Random selection
________ can be achieved by putting all the names in a hat and picking out a specified number of names, by alphabetizing the roster of enrollees and choosing every fifth name, or by using a table of random numbers to choose participants.
arithmetic average
The mean is the ________ of the set of scores.
Edward Titchener
________ brought introspection to his Cornell University lab, analyzed consciousness into its basic elements, and investigated how they are related.
Nature-nurture controversy
which our behavior is inborn or learned through experience
Sample
a subgroup of the population
Experimental group
receives the treatment
Control group
does not receive the treatment
Between-subjects design
The participants in the experimental and control groups are different individuals
Confounding variables
Differences between the experimental group and the control group other than those resulting from the independent variable
Subjects
attend the same two sessions upon which the quiz is based
Demand characteristics
The clues participants discover about the purpose of the study, including rumors they hear about the study suggesting how they should respond
Placebo
The imitation pill, injection, patch, or other treatment
Dopamine
________ stimulates the hypothalamus to synthesize hormones and affects alertness and movement.
Serotonin
________ is associated with sexual activity, concentration and attention, moods, and emotions.
Albinism
________ arises from a failure to synthesize or store pigment and also involves abnormal nerve pathways to the brain, resulting in quivering eyes and the inability to perceive depth or three- dimensionality with both eyes.
Paul Broca
________ (1861) performed an autopsy on the brain of a patient, nicknamed Tan, who had lost the capacity to speak, although his mouth and his vocal cords werent damaged and he could still understand language.
Insomnia
________ is the inability to fall asleep and /or stay asleep.
Psychological dependence
________ develops when the person has an intense desire to achieve the drugged state in spite of adverse effects.
Electroencephalograms
________ (EEGs) can be recorded with electrodes on the surface of the skull.
Positron emission tomography
________ (PET) produces color computer graphics that depend on the amount of metabolic activity in the imaged brain region.
Pons
________ generates bursts of action potentials to the forebrain, which is activation.
Cyton
contains cytoplasm and the nucleus, which directs synthesis of such substances as neurotransmitters.
Glutamate
________ is a major excitatory neurotransmitter involved in information processing throughout the cortex and especially memory formation in the hippocampus.
Nonconscious
________ is the level of consciousness devoted to processes completely inaccessible to conscious awareness, such as blood flow, filtering of blood by kidneys, secretion of hormones, and lower- level processing of sensations, such as detecting edges, estimating size and distance of objects, recognizing patterns, and so forth.
Psychoactive drugs
________ are chemicals that can pass through the blood- brain barrier into the brain to alter perception, thinking, behavior, and mood, producing a wide range of effects from mild relaxation or increased alertness to vivid hallucinations.
Glial cells
________ guide the growth of developing neurons, help provide nutrition for and get rid of wastes of neurons, and form an insulating sheath around neurons that speeds conduction.
Functional MRI
________ (fMRI) shows the brain at work at higher resolution than the PET scanner.
Circadian rhythm
________ is a natural, internal process that regulates the sleep- wake cycle and repeats roughly every 24 hours.
Tay Sachs syndrome
________ produces progressive loss of nervous function and death in a baby.
Freud
________ tried to analyze dreams to uncover the unconscious desires (many of them sexual) and fears disguised in dreams.
Stimulants
________ are psychoactive drugs that activate motivational centers and reduce activity in inhibitory centers of the central nervous system by increasing activity of serotonin, dopamine, and norepinephrine neurotransmitter systems.
Unconsciousness
________ is characterized by loss of responsiveness to the environment, resulting from disease, trauma, or anesthesia.
Cerebral cortex center
________ for higher- order processes such as thinking, planning, judgment; receives and processes sensory information and directs movement.
endocrine system
consists of glands that secrete chemical messengers called hormones into your blood.
Hypothalamus
portion of brain part that acts as endocrine gland and produces hormones that stimulate (releasing factors) or inhibit secretion of hormones by the pituitary.
Gamma aminobutyric acid
________ (GABA) inhibits firing of neurons.
Lucid dreaming
the ability to be aware of and direct ones dreams, has been used to help people make recurrent nightmares less frightening.
Hypnosis
________ is an altered state of consciousness characterized by deep relaxation and heightened suggestibility.
dissociation theory
hypnotized individuals experience two or more streams of consciousness cut off from each other.
Antagonists
________ block a receptor site, inhibiting the effect of the neurotransmitter or agonist.
Tolerance
decreasing responsivity to a drug.
Endocrine
glands include the pineal gland, hypothalamus, and pituitary gland in your brain; the thyroid and parathyroids in your neck; the adrenal glands atop your kidneys; pancreas near your stomach; and either testes or ovaries.
Withdrawal symptoms
________ include intense craving for the drug and effects opposite to those the drug usually induces.
Heritability
________ is the proportion of variation among individuals in a population that is due to genetic causes.
Agonists
________ may mimic a neurotransmitter and bind to its receptor site to produce the effect of the neurotransmitter.
Reflex
________ involves impulse conduction over a few (perhaps three) neurons.
Narcotics
________ are analgesics (pain reducers) that work by depressing the central nervous system.
Preconscious
________ is the level of consciousness that is outside of awareness but contains feelings and memories that you can easily bring into conscious awareness.
Depressants
________ are psychoactive drugs that reduce the activity of the central nervous system and induce relaxation.
Central nervous system
consists of your brain and your spinal cord
Somatic nervous system
has motor neurons that stimulate skeletal (voluntary) muscle
Autonomic nervous system
has motor neurons that stimulate smooth (involuntary) and heart muscle
Plasticity
Although specific regions of the brain are associated with specific functions, if one region is damaged, the brain can reorganize to take over its function
Pineal Gland
endocrine gland in brain that produces melatonin that helps regulate circadian rhythms and is associated with seasonal affective disorder
Hypothalamus
portion of brain part that acts as endocrine gland and produces hormones that stimulate (releasing factors) or inhibit secretion of hormones by the pituitary
Pituitary Gland
endocrine gland in brain that produces stimulating hormones, which promote secretion by other glands including TSH (thyroid-stimulating hormone); ACTH (adrenocorticotropic hormone), which stimulates the adrenal glands; FSH (follicle stimulating hormone), which stimulates egg or sperm production; ADH (antidiuretic hormone) to help retain water in your body; and HGH (human growth hormone)
Thyroid Gland
endocrine gland in neck that produces thyroxine, which stimulates and maintains metabolic activities
Parathyroids
endocrine glands in neck that produce parathyroid hormone, which helps maintain calcium ion level in blood necessary for normal functioning of neurons
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