Abnormal Psych Exam 2 Flashcards
In ________ studies, researchers extensively study one person or group of people.
case study
In __________ studies, the relationship between two (or more) variables is examined without experimental manipulation.
correlational
This value quantifies the relationship between two variables.
correlation coefficient
The correlation coefficient is also called _________
Pearson’s coefficient
The correlation coefficient represents a number between ____ and _____
1 and -1
The sign of a correlation coefficient represents the _______ of the relationship.
direction
The absolute size of a correlation coefficient represents the ______ of the relationship.
strength
If a “best fitting line” is completely horizontal, the correlation coefficient is _____
0
The directionality problem refers to the fact that ___________
correlation does not equal causation
In _________ studies, the frequency and distribution of a problem is studied in a specific population.
epidemiological
The proportion of a population that has a problem at a given time refers to _________
prevalence
The number of new cases of something during the same time period refers to _________
incidence
Conditions that increase the likelihood of developing a problem are _________
risk factors
Only a(n) ________ study can be used to show causation.
experimental
Prevalence, incidence, and risk factors are often used in a(n) __________ study.
epidemiological
A(n) ________ study examines a causal relation between two variables.
experimental
In an experimental study, the variable that is thought to be causal and is therefore manipulated is the _______ variable.
independent
In an experimental study, the variable that is thought to be controlled by the manipulated variable is the _______ variable.
dependent
In group studies, __________ is used to balance the number of external factors that could influence the manipulated variable.
random assignment
A(n) ________ refers to an idea stated before an experiment that suggests cause and effect.
hypothesis
___________ is used to determine if there are differences between groups due to chance.
statistical significance testing
A p-value that is ________ can be viewed as statistically significant.
less than 0.5
To assess __________, experimenters must ask, “Did the independent variable produce the outcomes, or did other factors contribute to the finding?”
internal validity
Internal validity assesses whether or not _______
the IV is the only significant factor in producing a difference between groups
When one type of validity (external/internal) is high, the other is _____
low
Strict inclusion/exclusion criteria is used to increase _______
internal validity
Control groups are used primarily to increase ________
internal validity
Random assignment is used primarily to increase ________
internal validity
Internal validity is increased by __________
Strict inclusion/exclusion criteria, control groups, random assignment
A randomized clinical trial with very strict guidelines is called a(n) ________
efficacy study
Efficacy studies increase ________
internal validity
External validity assesses whether or not _______
findings are generalizable
Effectiveness studies are used to increase __________
external validity
“Embracing the norms” in an experiment is used to increase ________
external validity
What are the types of control groups that can be used in a group experimental design?
No treatment/wait list, placebo, alternative treatment
Group experimental designs compare groups when a(n) IV is ________, ________, or _________
introduced, changed, withdrawn
The placebo control group is hard to use for _________
psychotherapy treatment
Often, the most ethical type of control group is _________
alternative treatment
In a ___________, participants and experimenters are unaware of which group is the control group
double-blind procedures
Double-blind procedures help to decrease the _______
allegiance effect
In ________ studies, a phenomenon that cannot be tested by a true experiment is substituted for a similar phenomenon in the laboratory.
analogue
Analogue studies are used when _______ cannot be done for ethical/logistical reasons.
true experiments
A study that examines/tests participants who do not have a disorder but are similar to people with that disorder could be an example of a(n) _________ study.
analogue
A(n) ________ refers to something that is related to the disorder of interest in a study.
analogue
In _________ designs, the sequential application of control and experimental variables is examined in an individual.
single-case
An alternation between _______ and ________ measurements are used in a single-case design.
baseline, intervention
Reversal and multiple baseline designs are two methods used for ______ studies.
single-case
A reversal design is also called a(n) ________ design.
ABAB
In an ABAB design, the baseline is represented by ____, and the treatment is represented by ______.
A, B
A _________ design follows a single person with more than one behavioral problem.
multiple baseline
In the real-world with practicing clinicians, the ________ approach is more often used for single-case designs.
multiple baseline
For single-case designs, are pre- and post- assessments adequate to assess treatment?
no
In ________ designs, correlational and experimental research are combined.
mixed
In mixed designs, participants in different groups _____ on some kind of a(n) __________.
differ, classification variable
To study behavior over time, these designs are used:
cross-sectional, longitudinal, sequential
A(n) ________ design compares different age groups (cohorts) at one time.
cross-sectional
A limitation of cross-sectional designs is the _________
cohort effect
A(n) ________ design follows the same individuals over time.
longitudinal
A limitation of longitudinal designs is the _________
cross-generational effect
A(n) _________ design combines cross-sectional and longitudinal designs by beginning with participants of different age groups and following them all over time.
sequential