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Topic 1 - Caregiver-Infant Interactions
….
Define ‘Reciprocity’ (2)
two-way/mutual turn-taking conversational interaction between infants and caregivers
actions from one elicit response from the other (e.g. mother smiles, baby smiles back)
Define ‘Interactional Synchrony’ (1)
when infants interact by mirroring/imitating caregiver’s actions exactly in time (e.g. baby moves head in time with mother)
Outline Meltzoff and Moore study
Procedure (5)
Findings (1)
Procedure:
controlled observation of infants
dummy used initially to prevent any response
adult modelled stimuli to infant (either specific facial expression or hand gesture)
dummy removed to see infant’s response and recorded as video
observations from video noted and judged by independent observer (who had no knowledge of what infant saw)
Findings:
found interactional synchrony began as young as two weeks old when infants mirrored facial expressions and hand gestures of adult
How does the Meltzoff and Moore study have high inter and intra observer reliability? (4)
initial observer noted responses by watching videos in real-time, slow motion, and frame-by-frame if necessary
independent observer had no knowledge of what infant saw when judging videos
behaviour was noted by very specific standardised behaviour categories e.g. mouth opening, tongue protrusion, etc.
each observer scored the tapes twice
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Measuring infant reactions
P - infant reactions difficult to measure
E - infants mouths fairly constant in motion and expressions tested occur frequently (e.g. tongue sticking out, yawning, smiling)
E - shows need for valid methods of measuring infants reactions (e.g. filming responses) to avoid missed/misinterpreted results
2. PEE chain - weakness
Point
Evidence
Explain
Hint: Study not replicated
P - findings of study haven’t been replicated
E - researchers have tried, but failed to repeat findings of Meltzoff and Moore
E - shows their findings may not be reliable, however replications of the study may not have been as controlled as original
3. PEE chain - strength
Point
Evidence
Explain
Hint: Research support
P - research support for influence of interactional synchrony
E - research observing 30 mothers and infants found more strongly attached infant-caregiver relationships showed greater interactional synchrony
E - shows importance of early interactions with infants to form stronger bonds with caregivers
Topic 2 - The Development of Attachment
….
Outline Schaffer and Emmerson study
Procedure (4)
Findings (1)
Procedure:
investigated development of attachments in working class homes in Glasgow from infants 5-23 weeks of until until 1 years old
mothers visited every four weeks to report infants response to separation in everyday situations (e.g. being left alone in room)
asked to describe intensity of protest by rating on 4 point scale (e.g. fully crying, only whimpering), and who protest directed at
stranger anxiety measured by assessing infants response to interviewer at each visit
Findings:
Schaffer and Emmerson identified 4 stages of attachment
Name the 4 stages of attachment
around what age do they occur?
Indiscriminate (0-2 months)
The beginnings of attachment (4 months)
Discriminate (6 months)
Multiple attachments (8 months)
Describe the indiscriminate stage (3)
(0-2 months)
infants have similar responses to all animate and inanimate objects
reciprocity and interactional synchrony crucial
greater preference for social stimuli and more content with people towards end of this stage
Describe the beginnings of attachment stage (3)
(4 months)
prefer human company to inanimate objects
can distinguish between familiar and unfamiliar people
still easily comforted by anyone
Describe the discriminate stage (2)
(6 months)
form specific attachment to primary caregiver and show joy when reunited with them
separation and stranger anxiety
Describe the multiple attachments stage (2)
(8 months)
form secondary attachments/wider range of attachments e.g. other parents, siblings, grandparents
show separation anxiety with these people
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Biased mothers
P - data may be biased
E - data collected from mothers of infants, so some mothers may be more sensitive to infant’s cries and some might not want to show their infant as crying a lot (social desirability bias)
E - shows results may be systematically biased, so study lacks validity
2. PEE chain - weakness
Point
Evidence
Explain
Hint: Attachments may not be equal
P - all attachments may not be equal
E - Bowlby believes we form one special monotropic attachment and secondary attachments provide a safety net for other skills/needs. Rutter argues all attachments are equally important to a child’s development
E - shows stage theory doesn’t specify role of multiple attachments, so is oversimplified, important to know how losing such attachment may affect infant and helps determine correct development, but this theory overlooks these details
3. PEE chain - weakness
Point
Evidence
Explain
Hint: Generalisability of sample
P - sample of only working-class infants from Glasgow in 1960’s
E - middle-class infants may have different experiences as mothers stay at home more, also childrearing has changed since the 1960’s
E - shows results not generalisable and lacks temporal valdity
Topic 3 - Role of the Father
…
What did Schaffer and Emmerson suggest about fathers?
Found that fathers less likely to be primary attachments figures than mother - so have important role as secondary attachment figures
What do studies show about the time spent by fathers on their infant relationships?
Studies show little relationship between father accessibility (amount of time) and infant-father attachment - so attachments seemingly aren't largely influenced by time spent with fathers
How does men’s psychological state influence attachment?
Most men may not be psychologically equipped to form intense attachment due to less emotional sensitivity than women - so could be positive as it fosters problem-solving, greater communication and cognitive demands on children
How does men’s biological state influence attachment?
Most men may not be biologically equipped as female hormone oestrogen underlies caring behaviour more so in women
How do cultural expectations affect men’s attachments?
Cultural expectations/stereotypes affect male behaviour e.g. it is feminine to be sensitive to other's needs - so may affect men's contribution to early attachments
What does research suggest about a father’s role in childcare?
Research suggests fathers more playful, physically active and generally better at providing challenging situations to children compared to conventional role of mothers e.g. education, bathing, teaching morals, etc.
Summarise the 6 key points about role of the father into six bullet points
Schaffer and Emmerson - fathers as secondary attachment figures
Father accessibility doesn’t influence attachment
Men not psychologically equipped for attachment - more problem-solving, cognitive demands
Men not biologically equipped for attachment - no oestrogen
Cultural expectations on men - so less sensitive
Research shows fathers more playful, physically active, and provide challenging situations to children
How can the role of the father impact the UK economy? (4)
fathers staying at home
paternity leave laws
pay gap between genders
early attachment research into father’s economic function
Fathers may decide to stay home more often, so less contribution to economy, so maybe more mothers return to work
Laws about paternity/shared paternal leave change, so impacts government funding for this
Parental roles seen as more equal, so may make pay gap between genders reduce
Early attachment research (e.g. Bowlby) suggest fathers provide economic function rather than emotional function, so more men at work
Topic 4 - Animal Studies of Attachment
….
Outline Lorenz study
Procedure (5)
Findings (2)
Procedure:
clutch of gosling eggs randomly divided into 2 groups
one control group hatched - first moving thing they saw was their natural mother
other group incubated and hatched - first moving thing they saw was Lorenz
geese marked according to group and mixed
behaviour towards Lorenz and natural mother recorded
Findings:
those who saw natural mother first followed her, and those who saw Lorenz first followed him (each group had imprinted)
critical period of around 2 days where infants imprint on first moving thing
What were the long-lasting effects of the Lorenz study? (1)
Sexual imprinting - animals wanted to mate with what is similar to what they imprinted on e.g. leghorn chicks and rubber gloves
Outline the Harlow study
Procedure (3)
Findings (2)
Procedure:
8 infant rhesus monkeys and 2 surrogate man-made mothers - each monkey put in box with both mothers and behaviour observed
one wire mother that dispensed food and had square head
one cloth-covered mum that didn’t dispense food and had round head
Findings:
more time spent with cloth-covered mother (contact-comfort), only went to wire mum for food
when scared by mechanical teddy bear and exploring, money’s kept close to cloth mum
What were the long-lasting effects of the Harlow study? (2)
what was the critical period discovered for this abnormality? (1)
Absence of mother = monkeys develop abnormally
Social abnormality - fled when approached by other monkeys
Sexual abnormality - mating behaviour/didn’t cradle their own babies
Critical period - if peers/mother absent for first 3 months, monkeys could recover, if absent for first 6 months, monkeys couldn’t recover
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Generalisability
P - findings of animal studies not generalisable
E - many variations between humans and animals e.g. animals don’t have conscious thought while humans do, biological differences in DNA, etc.
E - shows studies lack validity due to differences in complexity of bonds in animals and humans, so not generalisable
2. PEE chain - strength
Point
Evidence
Explain
Hint: Research support from Lorenz
P - Lorenz did further research into imprinting
E - Lorenz found leghorn chicks could imprint on rubber gloves in their first few weeks, they tried mating with the rubber gloves
E - shows support for critical period Lorenz suggested and how imprinting occurs with first seen moving thing, and supports sexual imprinting effect
3. PEE chain - weakness
Point
Evidence
Explain
Hint: Confounding variable in Harlow’s study
P - may be confounding variable in Harlow’s study
E - differences in head shape of mothers may have affected monkey’s behaviour e.g. round head mum looked more like monkey, so infants spend more time with them
E - shows something other than IV (wire or cloth) may have affected findings, so may be inaccurate
Topic 5 - Explanations of Attachment - Learning Theory
…
Define classical conditioning
how do infants experience classical conditioning when forming attachments? (3)
Classical conditioning = learning through association
infants feel natural pleasure when fed
caregiver (mum) feeding infant creates an association with food and pleasure
infant just seeing caregiver soon elicits pleasure when attachment created
Classical conditioning schedule for infant-caregiver attachment? (3)
UCS [Food] leads to UCR [Pleasure]
UCS + NS [Food + Caregiver] leads to UCR [Pleasure]
CS [Caregiver] leads to CR [Pleasure]
Define operant conditioning
difference between positive and negative reinforcement?
Operant conditioning = learning through reinforcement
- Negative reinforcement - behaviour repeated to escape/take away pain or displeasure
- Positive reinforcement - behaviour repeated to provide/add pleasure
How do infants experience operant conditioning when forming attachments?
Key words:
drive state
positive reinforcement
negative reinforcement
reinforcement
primary reinforcer vs secondary reinforcer
infant displeased when hungry, so motivated to so something about it [drive state]
infant can only cry, which causes the caregiver to provide food, which gives pleasure [positive reinforcement]
this also takes away the pain and discomfort of being hungry [negative reinforcement]
the infant learns to repeat the crying behaviour when it is next hungry [reinforcement]
food is needed to survive so it is the primary reinforcer, the caregiver providing this becomes the secondary reinforcer
Why is the learning theory sometimes called the ‘cupboard love’ theory? (1)
In both classical and operant conditioning, infants attach because of food - so mother seen as ‘cupboard’ for providing food to form attachment
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Generalisability
P - learning theory experiments only conducted on animals
E - classical and operant conditioning only investigated in animals (e.g. dogs and rats) instead of humans, despite differences in conscious thought, DNA, etc.
E - shows theory may only be relevant to animals and can’t be generalised to humans, so may lack validity
2. PEE chain - weakness
Point
Evidence
Explain
Hint: Contact-comfort over food
P - this theory suggests infants prefer/associate attachments with their needs e.g. food
E - Harlow found rhesus monkeys spent more time with a comfort mum with no food over a wire mum with food, especially when seeking reassurance after being frightened
E - shows inaccuracy as contact-comfort may have more of a role than just food source
3. PEE chain - strength
Point
Evidence
Explain
Hint: Theory still applied to other stimuli/reward
P - theory can still be applied to other forms of reward other than food
E - other research (e.g. Schaffer and Emmerson’s) shows interaction/attention and responsiveness may be a more important reinforcer of attachments than food
E - shows theory has some value as just by changing the UCS (e.g. attention over food), the theory can still be applied
Topic 6 - Explanations of Attachment - Bowlby’s Theory
…
Give the 7 key terms associated with Bowlby’s theory
Innate
Social releasers
Adaptive
Monotropy
Critical period
Internal working model
Continuity hypothesis
Describe Bowlby’s theory of attachment
- using the key words to form key bullet points/sentences (7)
Bowlby believes attachment is not learned, it is innate (unlike learning theory)
Social releasers elicited from babies to receive care e.g. crying
These adaptive behaviours have been inherited as they are needed to survive because human babies are unable to care for themselves
Using these behaviours, we attach to one specific person to create a special monotropic bond (monotropy)
Bowlby believes this must occur to create an attachment during the critical period of around two and a half years
This relationship then acts as a template for all future relationships to create an internal working model
Leading to the continuity hypothesis as having a secure relationship with that person makes it likely to have secure relationships in later life (and vice versa with insecure relationships)
1. PEE chain - strength
Point
Evidence
Explain
Hint: Research support for internal working model and continuity hypothesis
P - research support for long lasting effects of secure attachments
E - Minnesota parent-child story followed ppts from infancy to late adolescence and found individuals classified as securely attached in infancy were rated for social competency, less isolation and more empathy in later childhood
E - shows internal working model in Bowlby’s theory may be accurate as infants had created template for future relationships due to continuity hypothesis
2. PEE chain - strength
Point
Evidence
Explain
Hint: Research support for innate behaviour and critical period
P - research support for infants attachment linking to emotional personality/temperament
E - researchers found infants aged 1 - 3 days who had signs of behavioural instability (e.g. had ‘difficult’ temperament) were later judged as more likely to have developed an insecure attachment
E - shows attachment linked to innate behaviour as Bowlby suggests, and that critical period to form attachments is during early timeframe of infant’s life
3. PEE chain - weakness
Point
Evidence
Explain
Hint: Czech twins and critical period
P - accuracy of Bowlby’s critical period for forming attachments in case study evidence
E - Czech twins discovered at age of 7 had been locked, isolated and abused by stepmother since birth, leaving them with no language ability at all, they then received loving care from two sisters and by 14 years old, twins showed normal social and intellectual functioning and formed meaningful attachments
E - shows critical period Bowlby suggests is crucial to form attachments may not be accurate, as secure attachments still formed despite age (so age is not relevant factor)
Topic 7 - Ainsworth’s Strange Situation - Types of Attachment
…
Outline Ainsworth’s study - the Strange Situation
Procedure (4)
Procedure:
106 middle class infants and mothers observed in experiment room - novel environment created in laboratory, consisting of furniture, toys and marked flooring to record infant’s movements
observers watched through two-way mirror and recorded behaviour seen every 15 seconds and its intensity (scale 1-7)
behaviour observed was separation anxiety, stranger anxiety, willingness to explore, and reunion behaviour with caregiver
8 phases of experiment; including parent and infant playing, parent leaving infant alone with stranger, and parents/strangers comforting infant when reunited
Outline Ainsworth’s study - the Strange Situation
Findings (1)
describe each attachment type in terms of willingness to explore, stranger anxiety, separation anxiety, reunion behaviour, and caregiver’s behaviour
Findings:
Three types of attachments identified:
Secure attachment (type B) [66%] | Insecure avoidant (type A) [22%] | Insecure resistant (type C) [12%] |
Explore using mother as safe base | Explore independently | No willingness to explore, cling to mother |
Show stranger anxiety | No stranger anxiety | Extreme stranger anxiety |
Show separation anxiety | No separation anxiety | Extreme separation anxiety |
Happy when mother returns | No reaction to mother’s return | Seek and reject mother on return |
Caregiver is sensitively responds to child’s needs | Caregiver lacks sensitivity, in extreme cases neglect | Caregiver gives mixed signals, lack of trust |
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Research for fourth attachment
P - further research shows Ainsworth overlooked fourth attachment type
E - researchers analysed over 200 Strange Situation videotapes and found fourth attachment - type D, where infants lack coherent behaviour, look secure for a time but then look avoidant or fearful
E - shows distinct types may be oversimplifying categories of attachment
2. PEE chain - strength
Point
Evidence
Explain
Hint: Inter-observer reliability
P - high inter-observer reliability
E - Ainsworth et al found .94 agreement between raters when rating exploratory behaviour, which is almost perfect (1.00 is perfect)
E - shows observations can be accepted as reliable
3. PEE chain - strength
Point
Evidence
Explain
Hint: Practical applications
P - this research has led to practical applications
E - Circle Security Project set up to give caregivers better understanding of infants distress and anxiety signals, and shows decrease in number of disordered caregivers and increase in secure infants
E - shows this research can improve the lives of children and mothers in real world settings
Topic 8 - Cultural Variations in Attachment
….
Outline Van Ijzendoorn and Kroonenberg study
Procedure (2)
Findings (4)
Procedure:
used meta analysis of Strange Situation studies (32) over various countries (8)
used Western and Eastern countries, individualistic and collectivist (no African countries used)
Findings:
most common type of attachment - secure, then avoidant
countries that were exceptions to this - Israel and Japan
there was a 1.5 times greater difference in attachment types within countries rather than between them (more intracultural differences)
concluded 3 things: attachment is innate, secure attachment is the norm, and it is best for health, social and emotional development
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Childrearing differences - imposed etic
P - there are childrearing differences/preferences between countries e.g. Germany and Japan, so study is an imposed etic
E - infants in Germany better to be independent and distant towards parents, so high willingness to explore, low stranger and separation anxiety and little reunion behaviour (insecure avoidant), while infants in Japan better to be with parents very often and expect high response to needs, so opposite to Germany (insecure resistant)
E - shows study not fairly designed for certain countries as infants are just displaying desirable behaviour according to their country, so Strange Situation is an imposed etic (can’t judge based our ideas of attachment)
2. PEE chain - weakness
Point
Evidence
Explain
Hint: Intracultural differences
P - large intracultural differences within countries
E - found samples in Tokyo acted similarly to Western results but those in rural Japanese areas samples didn’t, and found 1.5 times greater differences in attachments within countries
E - shows few studies don’t represent whole country, as intracultural differences exist
3. PEE chain - weakness
Point
Evidence
Explain
Hint: Number of studies for certain countries
P - number of studies carried out is not relative to size of country
E - countries such as China have higher populations but fewer studies (only 1)
E - shows the research may not be reliable or represantitive
Topic 9 - Bowlby’s Theory of Maternal Deprivation
…
What is the hypothesis associated with this theory?
Hypothesis = frequent separations from a primary caregiver lead to later problematic behaviour e.g. thieving
(NEED TO WRITE THIS to emphasise this is a theory - not just a study)
Outline Bowlby’s study - 44 Juvenile Thieves
Procedure (4)
Findings (3)
Procedure:
analysed case histories of emotionally maladjusted children patients in Child Guidance Clinic
studied 88 children in total, half had been caught stealing (44 thieves) and half control group
natural experiment - IV was maternal deprivation
Bowlby suggested some thieves were emotionless psychopaths that lacked affection, shame or responsibility, which enabled stealing
Findings:
out of those classed ‘affectionless thieves’, 86% found to have been frequently separated from mother before 2 years old (so more separations = more likely to be affectionless thieves)
only 5% of control group experienced frequent separations
concluded infants need warm, intimate, continuous relationship with mother/permanent mother substitute for normal mental health
In which situations can maternal deprivation result in prolonged damage? (3)
If damage to infant done in critical period (before 2½ years old)
If infant in sensitive period (before 5 years old)
If infant doesn’t receive substitute emotional care
1. PEE chain - strength
Point
Evidence
Explain
Hint: Real world application
P - real world application for Bowlby’s research
E - in the past, children separated from parents when spending time in hospital, visiting was discouraged or even forbidden
E - shows social change in how children cared for in hospital
2. PEE chain - weakness
Point
Evidence
Explain
Hint: Individual differences/too simplistic
P - simplistic view of deprivation and its effects
E - theory doesn’t consider differences in separation e.g. if child’s attachment bond formed then broken or never formed at all (worse), also doesn’t consider differences in attachment type e.g. securely attached children cope better with separation than insecurely attached
E - shows effect of maternal deprivation may not affect children in the same way due to individual differences
3. PEE chain - strength
Point
Evidence
Explain
Hint: Research support for long term effects
P - research support for idea maternal deprivation has long-term effects
E - research found 25% of women who experienced maternal separation at an early age later experienced depression or anxiety, compared to 15% in a control group, effects much greater if separation before 6 years old
E - shows maternal deprivation may lead to vulnerability to negative mental health later in life, and supports Bowlby’s critical period
Topic 10 - Romanian Orphan Studies
…
Outline Rutter et al. study (Romanian Orphan study)
Procedure (6)
Procedure:
called the ‘ERA’ (English and Romanian Adoptees) study and began in early 1990s
included 165 Romanian children who spent early lives in Romanian institutions, so suffered effects of institutionalisation
111 of these children were adopted before age of 2 (critical period), and further 54 by age of 4 (sensitive period)
adoptees tested at regular intervals (ages 4, 6, 11, 15) to asses physical, cognitive and social development
some info gathered in interviews with parents and teachers
progress compared with a control group of 52 British children adopted in UK before age of 6 months
Outline Rutter et al. study (Romanian Orphan study)
Findings (5)
Findings:
at time of adoption, Romanian orphans behind British orphans on all measures of physical, cognitive, and social development - smaller, weighed less, classified as mentally retarded
children adopted before 6 months > largely caught up with British counterparts by age 4, so recovered
this is believed to be because they had the opportunity to form attachments
children adopted after 6 months > developmental delays remained in a substantial minority e.g. lower mean IQ’s
this was shown in their formation of disinhibited attachments and poor peer relationships which had long-term consequences
Outline another study of Romanian Orphans across the world - Zeenah et al.
Procedure (3)
Findings (2)
Procedure:
compared 136 Romanian children who spent on average 90% of their lives in institutions, with control group of Romanian children who’d never been in institutions
children were 12-31 months old
children assessed in Strange Situation
Findings:
institutionalised children showed higher signs/percentages of disinhibited attachments than control group
institutionalised children showed lower signs/percentages of secure attachments than control group
Describe the 4 key effects of institutionalisation and/or maternal deprivation?
Physical underdevelopment - physically smaller
Disinhibited attachments - form of insecure attachment where children don’t discriminate choice of attachment figures, overfriendly with strangers, attention seeking
Intellectual underdevelopment - lower mean IQ’s in children emotionally deprived
Poor parenting - women who were institutionalised found to have more extreme difficulties parenting
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Extraneous variables in institutionalisation
P - institutional care may have varied between orphans
E - in all studies, some children more strongly attached to adoptive parents than others, may be due to special attention/care received in institutions e.g. better physical care and intellectual stimulation
E - shows extraneous variables as findings may be due to poor institutional care instead of institutionalisation generally, so results cant be generalised to all institutionalised children
2. PEE chain - strength
Point
Evidence
Explain
Hint: Real life application for adoption
P - real life application to research
E - showed important of early adoption, so mothers no longer encouraged to nurse children a lot before giving them up for adoption, instead babies now adopted within first few weeks to make attachments as strong as in non-adoptive families
E - shows this research helps improve care of children in institutions
3. PEE chain - strength
Point
Evidence
Explain
Hint: Benefits of longitudinal studies
P - this type of study requires lots of planning and waiting for results, but benefits are large
E - the longitudinal nature of this study opened up possibility of recovery for effects of institutionalisation and its long-term consequences
E - shows changes and developments of individuals can be followed over time to learn even more valuable info
Topic 11 - The Influence of Early Attachment
…
Outline Hazan and Shaver study
Procedure (4)
Findings (2)
Procedure:
placed ‘love quiz’ in small news town publication in America
quiz asked questions about current attachment experiences and attachment history - to identify current and childhood attachment types
also questions about attitudes to love to asses internal working model
analysed over 600 responses from both men and women from a fair cross-section of the population
Findings:
positive correlation between attachment types and love experiences
those with secure attachments more likely to have more positive love experiences/concept of love and long-term relationships in later life
supported concept that internal working model has a lifelong effect on attachment and relationships
Describe the 4 main aspects of life that may be influenced by early attachment
Romantic relationships - securely attached individuals more likely to have longer lasting, happier relationships
Childhood friendships - securely attached children more likely to have healthier friendships, better social/emotional skills, and be less involved in bullying than insecure-avoidant or resistant
Parenting - institutionalised women more likely to have poor internal working model so experience extreme parenting difficulties, Harlow’s monkeys showed link between poor attachment and parenting
Mental health - lack of attachment during critical period may lead to attachment disorder (inability to interact functionally with others)
1. PEE chain - weakness
Point
Evidence
Explain
Hint: Use of self-report techniques
P - reliance on self-report research in this area has disadvantages
E - self-report techniques into early attachment require retrospective classification/recollection which can be flawed, also may contain leading questions or lack of clarity (e.g. in love quiz) due to widely varied personal experiences
E - shows this data collection may be inaccurate and not vaid, and longitudinal studies may be better in early attachment research (which have been found to support the research found)
2. PEE chain - weakness
Point
Evidence
Explain
Hint: Correlational data
P - research in this area is correlational, not experimental
E - relationships (e.g. between early attachment and later love styles) may not be cause and effect, so may be caused by other factors e.g. innate temperament or genetic influences on personality
E - shows confounding variables may lower validity when assessing attachment types
3. PEE chain - weakness
Point
Evidence
Explain
Hint: Overly determinist research
P - attachment research is overly determinist
E - this research suggests early experiences have fixed effect on later relationships, but it has been found plenty people experience happy adult relationships despite no secure attachments in infancy
E - shows early attachment influences are more complex and not generalisable to all people