Chap 4: Studying Abnormality Flashcards

1
Q

What is a theoretical concept?

A

Are inferred from observable data. They provide advantages ie. bridging temporal gaps and summarizing observed relationships.

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2
Q

What is operationism?

A

proposed each concept take as its meaning a single observable and measurable operation. This gave way to flexible position that theoretical concept can be defined by sets of operations or effects.

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3
Q

What are some pros and cons of case studies?

A

They play an important role by including much more detail than other forms of studies.They are useful when they negate an assumed universal relationship or law. However, they may lack a degree of control and objectivity that other research methods have and fare less well as evidence in support of a particular theory but clinicians over sime may notice similarities of cases and formulate hypotheses. Casestudies are excellent ways of examining behaviour of single individuals and generating hypotheses that can later be evaluated by controlled research. It is unable to provide satisfactory evidence concerning cause-effect relationships.

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4
Q

Describe Thigpen and Cleckley’s description of Eve?

A

Thigpen, and Cleckley described a client Eve who had 3 distinct personalities. She had dissociative identity disorder. She wrote a book challenging their case. She resolved her disorder by realizing her alternate personalities were true aspects of herself. She stated it was a coping mechanism to deal with witnessing deaths of adults in her childhood.

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5
Q

What did Kanner do?

A

Kanner did work with disturbed children and noticed some shows a similar constellation of symptoms and proposed infantile autism which was later confirmed.

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6
Q

What does Stiles advocate for?

A

Stiles advocates for theory-building case studies - adequate theory must be able to account for commonalities across case studies as well as unique elements of particular case - there should be a close match between theoretical and case descriptions.

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7
Q

What did Earls and Lalumiere find?

A

Earls and Lalumiere did case study on 54 year old man in prison for cruelty to animals - sexual activity with horses. Felt strong emotional and romantic connection to them. He put his arm in horses vagina, punctured the wall and killed it because it had shown interest in a stallion and he was jealous. This showed unique and specific manifestations of a disorder and they found another similar case leading them to the fact zoophilia may not be as rare as first thought.

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8
Q

What do Mackrill and Iwakabe advocate for?

A

Mackrill and Iwakabe present case for usefulness of them for training novice psychotherapists because they add to evidence base for psychotherapy and counselling policy, practice and training because of the ability to record sessions and the ability to then be evaluated by others to gain valuable insight.

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9
Q

What was Watson, Goldman and Greenberg’s book on?

A

book was based on case studies of successes vs. failures in emotion focused therapies.

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10
Q

What is qualitative research?

A

Qualitative research focuses on unique and rich experiences of a small group of people studied in depth. Descriptive accounts with subjective emphasis on individual are focus. Quantitative research focuses more on data and numbers. Qualitative research is subject to same criticisms as case studies but can show important phenomena that reflect issues and themes that matter to people.

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11
Q

What is a grounded theory analysis?

A

A grounded theory analysis is an extensive and systematic approach that involves beginning from ground up without hypotheses. They emerge eventually as categories come into focus.

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12
Q

What is epidemiology? How is this important for abnormal psych? What 3 features does it focus on determining?

A

Epidemiology is study of frequency and distribution of disorder in a population. Data are gathered about rates of disorder and its possible correlates in large sample or population. This info can then give general picture of disorder, how many people it affects, whether it is mor common in a gender and whether its occurrence varies with social and cultural factors. Focus on determining 3 features of disorder> 1. Prevalence. 2. Incidence - number of new cases occur in a period 3. Risk factors.

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13
Q

What was Ontario Mental Supplement Study?

A

Ontario Mental Supplement Study examined relation between selected risk factors and mental disorder in people living in community. They found parental mental disorder and severe abuse.

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14
Q

What does knowledge about risk factors provide?

A

Knowledge about risk factors can give clues to cause of disorders. The study of risk factors in epidemiological research examines relationships among variables and is example of correlational method.

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15
Q

What is the correlational method?

A

Correlational method - establishes whether there is a relationship between or among two or more variables. Variables being studied are measured as they exist in nature. Distinguishes from experimental research where variables are manipulated and controlled by researcher.

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16
Q

What are the steps to determining a correlation?

A

First step in determining a correlation is to obtain pairs of observations of the variables in question for each member of a group of participants. Once obtained, the strength of the relationship between the two sets of observations can be calculated to determine the correlation coefficient - denoted by r, -1 and 1 and measures the magnitude and direction of a relationship. The higher the value, the larger or stronger the relationship. If r is positive - positive relation X increases, Y increases. Negative r - variables are negatively related.

17
Q

What is statistical significance?

A

Statistical significance - likelihood results of investigation are due to change. In psych a correlation is significant when probability that changes is less the p = 0.05.

18
Q

How is correlational method used in psychopathology research?

A

When correlational method is used in psychopathology - one of variables is diagnosis - which is correlated with another variable. Variables such as having an anxiety disorder or not are classificatory variables - others include age, sex, social class and body build. They are naturally occurring and not manipulated by researcher. Most research on causes of psychopathology is correlational.

19
Q

What does the the correlation method not allow? What is the directionality problem?

A

The correlational method does not allow determination of cause-effect relationships. A sizeable correlation only tells us they are related. Correlation is not causation - directionality problem.

20
Q

How does the high-risk method overcome the directionality problem?

A

The high-risk method overcomes this problem - only individuals with greater than average risk of developing a disorder would be selected for a study.

21
Q

What is the third variable problem?

A

Third-variable problem - correlation may have been caused by a third, unforeseen factor.

22
Q

What is nomothetic research?

A

Nomothetic research - measuring group of people on number of variables and focuses on relationships among those variables with goal of making generalizations that apply to population-variable-centered research. There is variability within any sample. Focuses on what we have in common.

23
Q

What is idiographic research?

A

focuses on individuals. Case studies and qualitative approaches. Focuses on uniqueness

24
Q

What are developmental trajectories vs. group-based trajectories?

A

. Developmental trajectories - levels of particular behaviour over time and group-based trajectory models - based on evidence it is impossible to distinguish clear subgroups of participants in sample and is important to distinguish these groups both when considering contribution of developmental factors and best treatment options for those people.

25
Q

What is latent class growth analysis?

A

groups are identified through procedure known as latent class growth analysis and are called latent classes. Multivariate stat techniques establish growth curves - then researchers can examine predictors of class membership as well as predictors of growth within class.

26
Q

What are experiments used for?

A

Experiments determine causal relationships - involves random assignment to diff conditions, manipulation of independent variable and measurement of dependent. In psychopathology - used to evaluate effects of therapies.

27
Q

What are the basic features of experimental design?

A
  1. Researcher begins with experimental hypothesis 2. They choose independent variable to manipulate. 3. Participants are assigned into groups via random assignment. 4. Measure dependent variable. 5. When diffs in groups are found to be function of variations in independent variable, research has produced experimental effect.
28
Q

What is internal validity?

A

Internal validity - when effect can be confidently attributed to manipulation of independent variable.

29
Q

What is external validity?

A

External validity - extent to which results can be generalized beyond immediate study.

30
Q

What is an analogue experiment?

A

An analogue experiment - investigators attempt to bring a related phenomenon into lab for more intensive study ie. inducing panic attacks with lactate.

31
Q

What are single-subject research designs? What is reversal/ABAB single-subject research design?

A

Single-subject experimental designs - participants are studied one at a time and experience a manipulated variable. Violates many principles of research design, no control group, generalization is difficult, unlikely to yield findings with internal or external validity. Reversal/ABAB design - some aspect of participants Behaviour is carefully measured in specific sequence 1) during initial time period, baseline (A) 2) during period when a treatment is introduced (B) 3) During a reinstatement of conditions that revealed in baseline period (A) and 4) during a reintroduction of experimental manipulation B. If behaviour in experimental period id diff from baseline, reverses when experimentally manipulated conditions are reversed and re-reverses when treatment is again introduced, there is little doubt that manipulation, rather than chance or uncontrolled factors has produced the change.

32
Q

What is mixed design?

A

Mixed design - combination of experimental and correlational research techniques. Participants from 2+ discrete and typically non-overlapping pops are assigned to each experimental condition. The two diff types of pops constitute a classificatory variable and can only be correlated with manipulated conditions.

33
Q

What is meta-analysis? Meta-meta analysis?

A

Summary of effect sizes across many studies. They take into account moderator variables - other factors that may influence results in meaningful way. Meta-meta analysis summaries many meta-analyses.

34
Q

What is qualitative psychology?

A

no data, no methodologies, following ideas, asking questions, making observations.

35
Q

What is falsifiability?

A

someone needs to try work out and prove it wrong, or back it up, or make suggestions to improve it.

36
Q

What is sampling error?

A

not having representative sample