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School and Family Influences

4: Growth & Lifespan Development

Study guide by Anders Chan, PsyD · Updated

Why This Topic Matters for Your Career

Understanding how families and schools shape development isn't just academic trivia. It's essential for your future practice. Whether you're planning to work with children, families, or adults, the patterns that start in childhood echo throughout life. That client struggling with intimacy issues? Their parents' divorce might be part of the story. The college student with crippling anxiety? Helicopter parenting could be a factor. These connections will help you understand your clients and recognize patterns you might have missed otherwise.

The Foundation: How Relationships Shape Us

Family and school experiences are the laboratories where people first learn about relationships, conflict, success, and failure. These early lessons become templates (often unconscious ones) that people carry into adulthood. Let's break down what the research tells us.

Marriage, Divorce, and What Comes After

Divorce Rates: The Numbers to Know

Cohort estimates put the share of US marriages that eventually end in divorce at roughly 40 to 46%, among the highest union-instability rates in the world. The US crude divorce rate (divorces per 1,000 people) peaked around 1980 at about 5 per 1,000 and has since fallen to roughly 2.3 per 1,000.

Two twists inside that decline:

  • The drop is driven by younger, more educated couples. Fewer people marry now, and those who do are older and more selected for stability
  • "Gray divorce" is the exception: the U.S. divorce rate among adults aged 50 and older doubled between 1990 and 2010 (Brown & Lin, 2012)

Canada and other countries: Canada's divorce rate peaked in the late 1980s (after the 1985 Divorce Act made divorce easier) and has declined since, to a crude rate around 1.6 to 1.8 per 1,000. Lower than the US. That surprises people. Cross-national studies find marriages end in separation or divorce for about 40% of US couples versus under 5% in some countries like Lebanon. The US is the outlier on marital instability, not the norm. Most Western industrialized countries fall somewhere in between, and rising cohabitation (especially in places like Quebec) makes cross-national comparisons tricky because cohabiting breakups never show up in divorce statistics.

Predicting Divorce: Warning Signs in Communication

Psychologist John Gottman spent decades studying what makes marriages work or fail. Think of him like a meteorologist who can predict relationship storms. He identified two distinct patterns that predict divorce:

The Attack-Defend Pattern (Early Divorce Predictor)

This pattern shows up early in marriage and involves what Gottman calls the "Four Horsemen of the Apocalypse":

  • Criticism (attacking character, not behavior)
  • Contempt (treating partner with disrespect or mockery)
  • Defensiveness (playing the victim)
  • Stonewalling (shutting down and withdrawing)

Picture a couple where every disagreement about dishes escalates into accusations about character flaws, followed by dramatic make-up sessions. This emotional volatility might feel passionate, but it's corrosive. Interestingly, contempt alone is the single strongest predictor of divorce.

The Avoidant Pattern (Later Divorce Predictor)

Some couples avoid conflict entirely. They don't share feelings, dodge difficult conversations, and maintain emotional distance. It's like two roommates sharing space but never really connecting. These marriages often last longer but eventually crumble under the weight of unexpressed needs and emotions.

Other Risk Factors for Divorce

The research identifies several predictors beyond communication:

Risk FactorWhy It Matters
Young age at marriageLess maturity and life experience for handling challenges
Lower socioeconomic statusFinancial stress adds pressure to relationships
Having children before marriageAdded stress before establishing relationship foundation
Previous divorcePatterns may repeat without addressing underlying issues
Psychiatric disordersMental health challenges affect relationship functioning
High neuroticismGreater emotional reactivity and relationship distress

The Aftermath: How Divorce Affects Adults

Divorce doesn't just end a legal contract. It reshapes lives. Research shows divorced individuals report lower happiness, more psychological distress, and more physical health problems compared to married people. But the impact differs by gender:

In German panel data from 1984 to 2015, women had larger lasting household-income losses and increased poverty risk after divorce. Men had more short-term strain in subjective well-being, but this gap eased. Many medium-term outcomes were similar. These findings do not establish a universal risky-behavior pathway in men or a fixed course for each person (Leopold, 2018).

For both: Parenting ability often diminishes for up to two years post-divorce. Parents become preoccupied with their own problems and may show less sensitivity to their children's needs. Custodial mothers may become less affectionate (especially toward sons) and more authoritarian. Non-custodial fathers often swing the other way, becoming overly permissive and indulgent.

How Divorce Affects Children

The impact on children varies significantly based on several factors:

Age Matters

Preschoolers often show the worst immediate effects. They're like passengers in a car crash who experience the impact most intensely in the moment. However, ten years later, research shows these early-divorce children have few memories of the trauma. Children who were older at divorce have painful, lasting memories and often worry about their own future relationships.

Gender Differences Are Complex

Early research suggested boys suffered more, but we now know girls experience significant problems too. They just show them differently. Boys tend to "act out" with visible externalizing behaviors. Girls more often "act in" with depression and anxiety that's less obvious to adults.

The "sleeper effect" is particularly important: Girls who seem fine after their parents' divorce may develop serious problems in adolescence. They may become noncompliant, develop low self-esteem, become pregnant before marriage, or experience intense fears about abandonment in their own romantic relationships.

Conflict vs. Divorce

Here's a critical finding: High-conflict intact families produce worse outcomes for children than low-conflict divorced families. In other words, staying together "for the kids" in a hostile environment may actually harm them more than divorcing would.

Economic Impact

When family income drops after divorce (which typically happens for custodial mothers), children face increased risk for academic, behavioral, and emotional problems. Research confirms that increasing single mothers' incomes directly improves their children's outcomes, the problems aren't about single parenting itself, but about the financial stress it often creates.

Father Involvement

Across 52 studies, positive relationships and involvement in child-related activities were associated with better child well-being. Amount of contact and financial provision were not associated with well-being overall in this analysis. Effects were small and varied by study; this does not mean money never matters (Adamsons & Johnson, 2013).

Stepfamilies: Navigating New Relationships

Children in stepfamilies generally have slightly worse outcomes than those with both biological parents, but the differences are usually small. What matters most is the quality of stepparent relationships.

Gender Dynamics

Boys and girls respond differently to stepparents:

With stepfathers:

  • Boys often benefit, especially when they perceive the relationship as close and supportive
  • Girls tend to struggle more, showing avoidance and hostility
  • Girls face increased risk for academic and behavioral problems

With stepmothers:

  • Girls have even more difficulty than with stepfathers, viewing stepmothers as threats to existing parental relationships
  • Boys more often view stepmothers as additional sources of support

Age Considerations

Pre-adolescence and early adolescence (roughly ages 9-15) is the worst time for stepfamily formation. These kids are already dealing with identity questions and hormonal changes. Adding a new parental figure is like trying to merge onto a highway that's already congested.

Stepfather Adjustment

Stepfathers adjust better when they:

  • Have their own biological children living in the household
  • Were previously unmarried (no comparison to a different family structure)
  • Have been married to their current spouse for a longer time

Cohabitation and Marriage Outcomes

The relationship between living together before marriage and divorce risk is more complex than early research suggested. Recent findings show:

  • Living together before marriage decreases divorce likelihood in the first year
  • But it increases divorce likelihood in subsequent years
  • Age at first cohabitation or first marriage (whichever comes first) is more important than cohabitation itself
  • Younger age predicts higher divorce risk regardless of cohabitation

Premarital Sex and Relationship Outcomes

Limited but important research suggests:

  • Having multiple premarital sex partners (beyond your eventual spouse) predicts lower marital satisfaction and higher divorce risk
  • More partners generally means more risk, though the effect plateaus somewhat
  • People with only one premarital sex partner report the highest marital happiness

Marriage, Life Satisfaction, and Longevity

The data consistently shows:

Life expectancy (longest to shortest):

  1. Married women
  2. Never-married women
  3. Married men
  4. Never-married men

Life satisfaction (highest to lowest):

  1. Married men and cohabiting men (tied)
  2. Married women
  3. Cohabiting women
  4. Divorced/separated individuals (both genders)

There's debate about causation. Do people become happier because they marry, or were already-happy people more likely to marry and stay married?

Becoming Parents: The Transition

Most couples experience decreased relationship satisfaction and increased conflict when they become parents. It's like adding a demanding new project at work that never sleeps. Relationships that worked smoothly before suddenly face constant interruptions and stress.

However, effects vary:

  • Couples who have children early in marriage experience the steepest decline in satisfaction
  • Adoptive parents report less stress and more stable relationship quality than biological parents during this transition
  • Having support from family and friends significantly reduces stress
  • Sharing parenting responsibilities equally protects relationship satisfaction (especially for women)

Adopted Children: Understanding the Challenges

Adoptive parents typically have advantages. Better education and higher incomes than average. Yet adopted children face higher risks for psychological, behavioral, and academic problems. Common issues include ADHD, learning disabilities, speech impairments, and developmental delays.

Why? The answer lies in pre-adoption experiences. Many adopted children experienced:

  • Birth complications
  • Early malnutrition
  • Neglect or abuse
  • Multiple caregiver changes

A meta-analysis found that most adoptees were well adjusted. International adoptees had fewer behavior problems and mental health referrals than domestic adoptees on average in the included studies. This does not establish better outcomes in every domain or predict which of two children will do better. Review each child's history and current functioning (Juffer & van IJzendoorn, 2005).

Helicopter Parenting and Overcontrol

Helicopter parenting describes overprotective or controlling involvement that limits a young person's opportunities to act independently. It is not defined by good intentions, and intentions alone do not distinguish it from other parenting patterns. A systematic review found associations with anxiety and depression, but the available longitudinal evidence was not strong enough to establish causal direction (Vigdal & Brønnick, 2022).

Family Structure Variations

Gay and Lesbian Parents

A Dutch matched study of children aged 5 to 18 found no significant well-being differences between children with same-sex and different-sex parents. This finding concerns adjustment in that sample; it does not establish identical sexual-orientation distributions or predict every child's outcome (Bos et al., 2018).

Grandparents as Caregivers

When grandparents have regular contact (not full custody):

  • Grandmothers typically have more contact and satisfaction than grandfathers
  • Same-sex pairs (especially grandmother-granddaughter) have the closest relationships

When grandparents become full-time caregivers (usually due to parental substance abuse, mental illness, incarceration, death, or child abuse):

Positive consequences:

  • Closer grandparent-grandchild relationships
  • Increased sense of purpose
  • Opportunity to strengthen family bonds
  • A "second chance" experience

Negative consequences:

  • Higher stress, depression, anxiety, insomnia
  • More chronic health problems
  • Financial difficulties
  • Social isolation
  • Conflicts with biological parents

The Sandwich Generation: Caring in Both Directions

The sandwich generation describes adults who support their own children while also caring for aging parents. Many are in middle adulthood, often their 40s or 50s, but this is not a fixed age rule. Children may be young or may be adults who still need help.

Picture someone holding two grocery bags. One carries a child's school costs and daily needs. The other carries a parent's rides, meals, and medical visits. Both bags need attention, and the same person has only two hands.

The key is care flowing toward two generations at the same time, not everyone living under one roof. Help can involve money, daily tasks, or emotional support. An adult may help a parent who lives across town and a child who lives away at college.

Keep nearby ideas separate:

  • Empty nest describes the change when the last child leaves home. A parent can have an empty nest and still provide sandwich care if the child continues to need support.
  • Filial piety refers to values of respect and duty toward parents and elders. It does not, by itself, mean a person also supports children.
  • Generativity is Erikson's broader idea of helping guide the next generation. It can include parenting, mentoring, or teaching without caring for an aging parent.

Sources: Noba, The Family, middle-aged families and glossary; NIA, Sharing Caregiving Responsibilities, sandwich-generation section.

Sandwich Caregiving: Role Overload and Support

Role overload means the demands on a person exceed the time, energy, or money they have available. Sandwich caregivers may face competing needs from children, parents, and work. Role conflict occurs when meeting one role's demands gets in the way of another, such as a parent's appointment clashing with a child's school meeting.

Caregivers may feel worried, guilty, tired, or stretched financially. Research has found greater emotional and financial difficulty and role overload among sandwich caregivers than among caregivers supporting older adults without also raising children. This is a group pattern, not a diagnosis or a prediction that every caregiver will struggle. Caregiving can also bring closeness and meaning.

A useful support plan addresses both the care workload and the caregiver's feelings. Ask which tasks are hardest, what help is available, and what the family values. Share specific jobs, arrange respite care (someone else takes over for a planned break), and protect time for sleep and supportive relationships. Access to help and money differs across families.

If someone's backpack is too heavy, teaching them to breathe may help them feel calmer. Sharing the books makes the load lighter. A caregiver may need both kinds of help.

Problem-focused coping changes the stressor, such as arranging shared rides. Emotion-focused coping manages the emotional response, such as using relaxation or talking through feelings. These can work together. Support should fit the family's needs and culture, without assuming one gender must do all the care.

Sources: Lei and colleagues, A National Profile of Sandwich Generation Caregivers; NIA, Sharing Caregiving Responsibilities; APA, Sandwich generation moms feeling the squeeze. Related textbook material: Psychology 2e, work-family conflict, PDF p. 480, and coping, PDF p. 524. The textbook discusses related concepts without using the term sandwich generation.

The Empty Nest

Contrary to old beliefs about crisis and loss, research shows the empty nest brings more positive than negative outcomes. Married women experience increased marital satisfaction after the last child leaves home. Primarily because the quality of interactions with their husbands improves, not necessarily because they spend more time together.

Maternal Employment and Childcare

Early Maternal Employment

Women returning to work during their children's first three years (especially years 2-3) doesn't significantly harm child development. However, effects vary by family structure:

  • Single-parent or low-income families: Small positive effects on behavior and achievement
  • Two-parent middle/upper-income families: Small negative effects on behavior and achievement

Daycare Effects

High-quality daycare produces a mixed picture:

  • May slightly increase behavioral problems
  • Improves cognitive and language skills
  • Enhances some social skills
  • Doesn't affect attachment security (parent-child bond matters more than daycare hours)

Head Start Programs

Head Start serves low-income families and promotes school readiness. While IQ gains often fade after the program ends, long-term benefits include:

  • Reduced grade retention and special education placement
  • Lower teenage pregnancy and juvenile delinquency rates
  • Higher high school graduation rates
  • As adults: more college degrees, higher incomes, more likely to own homes, less criminal involvement

Violence and Abuse in Families

Intimate Partner Violence (IPV)

Walker's Cycle of Violence describes three repeating phases:

  1. Tension Building: Hostility gradually escalates; victim tries to placate abuser
  2. Acute Battering Incident: Abuser explodes verbally and/or physically
  3. Loving Contrition (Honeymoon): Abuser shows remorse, promises change, acts loving

Johnson's Four Types of IPV:

TypeWho PerpetratesMotivationCharacteristics
Intimate TerrorismUsually male partnerControl partnerUses multiple control tactics; follows cycle of violence
Violent ResistanceUsually female partnerSelf-defense/retaliationResponse to controlling partner's violence
Mutual Violent ControlBoth partnersControl each otherLeast common type
Situational Couple ViolenceEither or both partnersControl the situation, not relationshipMost common; situationally provoked

Understanding these distinctions matters because they have different causes, trajectories, and treatment needs.

Child Maltreatment

Types (from most to least common):

  1. Neglect
  2. Physical abuse
  3. Sexual abuse
  4. Psychological/emotional abuse

Risk Factors:

  • Age: Highest risk for children under 1 year; decreases with age
  • Gender: Girls have higher rates than boys
  • Race/ethnicity: Highest rates for American Indian/Alaska Native children, then African American children
  • Family structure: Higher risk in single-parent or step/cohabiting families

Child Sexual Abuse (CSA) Outcomes:

Short-term gender differences:

  • Females: More depression and internalizing behaviors
  • Males: More conduct problems and externalizing behaviors

Long-term: Both genders experience significant mental health problems throughout life.

Worse outcomes occur when:

  • Perpetrator is a family member or close person (betrayal trauma)
  • Abuse occurs over extended periods
  • Abuse involves force
  • Abuse includes penetration

Evidence-Based Treatments:

Parent-Child Interaction Therapy (PCIT) for ages 2-12:

  • Therapist observes from behind mirror, coaches parents via earpiece
  • Phase 1: Child-directed interaction (strengthen bond)
  • Phase 2: Parent-directed interaction (clear instructions, consistent consequences)

Trauma-Focused Cognitive Behavioral Therapy (TF-CBT) for ages 3-18:

  • Treats sexual abuse, maltreatment, domestic violence exposure, traumatic loss
  • Includes both children and non-offending parents
  • Uses psychoeducation, parenting skills, relaxation, exposure, cognitive coping

School Influences

Cultural Socialization and Racial Socialization

Parents from ethnic/racial minority groups often engage in cultural socialization, teaching children about their heritage, customs, traditions, and pride in their culture. Some groups (particularly African American families) also teach children how to cope with prejudice and discrimination.

Benefits include:

  • Positive self-concept and ethnic/racial identity
  • Higher academic achievement and motivation
  • Fewer externalizing and internalizing problems

Racial-ethnic socialization research (the framework comes from Diane Hughes and colleagues) breaks these messages into four dimensions, and the exam can ask you to tell them apart:

DimensionThe messageTypical outcome
Cultural socialization"Know and take pride in your heritage" (history, culture, Black historical figures, books, music)The most consistently positive: stronger racial identity, better academics, better mental health. Also the most commonly used
Preparation for bias"Discrimination exists; here's how to cope with it"Protective at moderate levels; mixed effects overall
Promotion of mistrust"Be wary of other racial groups" (caution without coping strategies)The one consistently linked to worse outcomes (more internalizing and externalizing problems)
Egalitarianism"We're all the same underneath" (de-emphasizing race)Less studied; weaker effects

If a question asks what Black parents should emphasize when teaching their kids about race, the research answer is cultural socialization (pride and heritage) plus moderate preparation for bias, not promotion of mistrust and not colorblind silence.

Meta-analyses (Wang, Huguley, and colleagues) confirm racial-ethnic socialization overall predicts stronger racial identity, better academic motivation and performance, and better psychosocial adjustment, with cultural socialization carrying most of the benefit and effects strongest for African American youth.

Teacher Expectations

The famous Rosenthal and Jacobson study demonstrated the self-fulfilling prophecy effect: Teachers told certain randomly-selected students were "bloomers" who would excel. By year's end, those students showed unusual IQ increases. Teacher expectations shaped student outcomes.

Teacher Interactions

Research reveals gender-biased teaching patterns from elementary through graduate school:

  • Teachers call on male students more frequently
  • Male students receive more attention, praise, and encouraging feedback
  • These patterns reflect and perpetuate gender stereotypes

Common Misconceptions to Avoid

Misconception 1: "Divorce always harms children more than staying in an unhappy marriage." Reality: High-conflict intact families produce worse outcomes than low-conflict divorced families.

Misconception 2: "Boys handle divorce better than girls." Reality: Girls experience significant problems too. They just show them differently (internalizing vs. externalizing). Girls may also experience delayed "sleeper effects."

Misconception 3: "Frequent contact with non-custodial fathers is the most important factor for children." Reality: Positive relationships and shared activities were associated with well-being in the 2013 meta-analysis; contact amount and financial provision were not associated overall (Adamsons & Johnson, 2013).

Misconception 4: "Helicopter parenting is just being loving and involved." Reality: Overcontrol differs from supportive involvement. Links with anxiety and depression do not by themselves establish cause (Vigdal & Brønnick, 2022).

Misconception 5: "Adopted children struggle because of something wrong with adoption itself." Reality: Pre-adoption adversity matters, but a group association does not identify the cause of one child's difficulties (Juffer & van IJzendoorn, 2005).

Memory Aids for the Exam

For Gottman's Four Horsemen: Remember CCDS = "Can't Create Decent Satisfaction"

  • Criticism
  • Contempt
  • Defensiveness
  • Stonewalling

For Walker's Cycle: Remember TAL = "Tension, Attack, Love"

For Johnson's IPV Types: Remember SMIR = "Some Might Ignore Relationships"

  • Situational (most common)
  • Mutual (least common)
  • Intimate terrorism
  • Resistance (violent)

For Child Maltreatment Types by Frequency: NPSP = "No Parent Should Perpetrate"

  • Neglect (most common)
  • Physical
  • Sexual
  • Psychological (least common)

For Stepfamily Adjustment: Girls struggle more with both stepfathers and stepmothers; boys often benefit from stepfathers.

Key Takeaways

  • The sandwich generation supports children and aging parents at the same time; shared housing and a fixed age range are not required.

  • Sandwich caregiving can create role overload; sharing care, planned breaks, and emotional support can reduce the strain.

  • Communication patterns predict divorce: Attack-defend patterns lead to early divorce; avoidant patterns lead to later divorce. Contempt is the strongest single predictor.

  • Divorce findings need context: A German panel study found larger lasting income losses for women and greater short-term well-being strain for men, with many medium-term similarities (Leopold, 2018).

  • Children's divorce outcomes depend on multiple factors: Age, gender, conflict level, economic stability, and father involvement quality all matter more than divorce itself.

  • High conflict harms children regardless of family structure: Better to divorce than expose children to constant hostility.

  • Stepfamily success requires patience: Stepparents should build relationships before disciplining; authoritative parenting by both biological parent and stepparent improves outcomes.

  • Helicopter parenting involves overcontrol or overprotection: Associations with mental health symptoms require care in causal interpretation (Vigdal & Brønnick, 2022).

  • Adopted children face challenges from pre-adoption experiences: Early trauma, not adoption itself, explains most difficulties.

  • Cultural socialization provides protective benefits: Teaching heritage and coping with discrimination improves outcomes for minority youth. Of the four racial socialization dimensions, cultural socialization (pride/heritage) is most beneficial and promotion of mistrust is most harmful.

  • Divorce rates: About 40-46% of US marriages end in divorce, the crude rate has fallen since 1980 except for "gray divorce" (50+), and the US rate is higher than Canada's and most other countries'.

  • Quality matters more than structure in many cases: Quality of parenting, relationships, and economic stability often outweigh specific family configurations.

  • Two evidence-based treatments for child maltreatment: PCIT for physical/emotional abuse (ages 2-12); TF-CBT for sexual abuse and trauma (ages 3-18).

Understanding these patterns will help you recognize how early family and school experiences shape the adults you'll work with in practice. You'll be better equipped to understand presenting problems, identify relevant history, and select appropriate interventions.

Conflict, Divorce, and Child Adjustment

Children's adjustment after divorce varies. A meta-analysis linked conflict between parents and parenting difficulties with both internalizing and externalizing problems. These associations were generally small; divorce alone does not predict one child's response (van Dijk et al., 2020). A separate meta-analysis linked witnessing domestic violence with greater psychosocial difficulties. This is a risk pattern, not proof that every exposed child develops a disorder (Kitzmann et al., 2003).

Development of Persistent Conduct Problems

A biopsychosocial model treats persistent conduct problems as the result of transactions among biological dispositions, life experiences, and social context. How a child processes social information is part of this model. It does not reduce antisocial development to either biology alone or parenting alone (Dodge & Pettit, 2003).

Divorce Rates: Keep Time and Denominators Clear

Brown and Lin (2012) found that the U.S. divorce rate among adults aged 50 and older doubled between 1990 and 2010. About one-quarter of divorce events in 2010 involved this age group. An age-specific rate, the share of all divorces, an annual crude population rate, and a lifetime proportion of marriages are different measures. These historical findings do not establish today's rates.

Adoption: Name the Outcome and Review

In Juffer and van IJzendoorn's (2005) meta-analysis, international adoptees had fewer behavior problems and mental-health referrals than domestic adoptees. Most international adoptees were well adjusted, although referrals were more common than among nonadopted controls. Preadoption adversity mattered. This comparison does not rank all outcomes or predict an individual child's adjustment.

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