Stepparent and Stepchild Relationships: What the Research Says

The stepparent-stepchild relationship
is one of the most complex and most
misunderstood relationships in family life.
It is a relationship that is asked to
carry enormous weight — to function
like a parent-child relationship —
while being built under conditions
that are fundamentally different from
those in which parent-child relationships
develop naturally.

The research on stepfamilies is more
specific and more nuanced than the
popular narratives — both the idealized
“instant family” version and the
“wicked stepparent” version — suggest.
This article covers what the evidence
shows about how stepparent-stepchild
relationships develop, what helps
them thrive, and what the practices
are that make the biggest difference.

What the Research Shows About
Stepfamily Formation

Research by developmental psychologist
James Bray at Baylor University —
whose landmark Developmental Issues
in Stepfamilies Research Project
followed stepfamilies over nine years —
finds that stepfamily formation
is one of the most challenging
family transitions available,
with adjustment typically taking
significantly longer than most
stepparents and biological parents expect.

Research consistently finds that:

Full stepfamily integration typically
takes two to seven years — not
weeks or months. Research by
Patricia Papernow on stepfamily
development identifies a predictable
developmental sequence that most
stepfamilies move through — from
the fantasy stage (expecting quick
integration) through the immersion
stage (confronting the reality of
the complexity) to the awareness,
mobilization, action, contact,
and resolution stages that characterize
a well-functioning stepfamily.

The stepparent-stepchild relationship
cannot be rushed. Research on
stepchild adjustment consistently
finds that children who are
pressured to accept a stepparent —
to call them Mum or Dad, to
express affection they do not feel,
to treat the stepparent as a
parent before the relationship
has developed — show worse
adjustment than those who are
allowed to develop the relationship
at their own pace.

Children’s loyalty to the
biological parent is a primary
driver of stepchild resistance.
Research on stepchild behavior
toward stepparents finds that
much of the resistance, withdrawal,
and hostility that stepparents
experience from stepchildren
reflects loyalty conflict —
the child’s perception that
accepting or loving the stepparent
is a betrayal of the biological parent.

The biological parent’s role
is critical. Research consistently
finds that the biological parent
in the home is the most important
factor in stepfamily adjustment —
because their warmth, their
support of the stepparent,
their maintenance of the
stepparent’s authority, and
their management of the child’s
loyalty conflict significantly
determines whether the stepparent-stepchild
relationship can develop at all.

What the Research Shows About
Stepparent Roles

One of the most important findings
in stepfamily research for stepparents
is about role expectations — specifically,
the finding that the stepparent
who attempts to parent like a
biological parent too quickly
produces significantly worse
outcomes than the stepparent
who builds the relationship first.

Research by Bray and by Mavis
Hetherington identifies a
developmental sequence for
the stepparent role that the
evidence supports:

Early stage — the friend or
supportive adult. Research
finds that stepparents who
begin by building a warm,
friendly relationship with
the stepchild — without
attempting to exercise
parental authority —
produce better relationship
outcomes than those who
attempt authoritative parenting
from the beginning.

In the early stage, discipline
is best left primarily to
the biological parent. The
stepparent’s role is warmth,
interest, and positive engagement —
not limit-setting and consequence.

Middle stage — the supportive
parenting figure. As the
relationship develops and
trust is established, the
stepparent can gradually
take on more of a parenting
role — with the explicit
support and backing of
the biological parent.

Later stage — the parenting
partner. In well-functioning
stepfamilies with time and
positive relationship development,
stepparents can function
as genuine parenting partners —
with authority that the
stepchild accepts because
the relationship has been
built to support it.

Research by Hetherington finds
that stepparents who skip
the early stages and attempt
to parent authoritatively
from the beginning —
particularly stepfathers
with stepchildren over
nine years of age —
consistently produce worse
outcomes than those who
follow the developmental sequence.

What Helps Stepparent-Stepchild
Relationships Develop

One-on-one time without agenda.
Research on stepparent-stepchild
relationship development finds
that the most effective relationship-building
strategy is regular, unstructured,
one-on-one time — time spent
doing something the stepchild
enjoys, without any agenda
of relationship-building or
parenting. The relationship
builds through positive shared
experience, not through
direct effort to build it.

Following the child’s lead.
Research on stepchild adjustment
finds that children who feel
they have some control over
the pace of relationship
development with a stepparent —
who are not pressured to
express affection or acceptance
before they feel it —
show better long-term
relationship quality than
those who are pressured.

Biological parent support.
Research consistently finds
that the biological parent’s
active, explicit support
of the stepparent —
backing their decisions,
speaking positively about
them to the children,
and managing the child’s
loyalty conflict — is
one of the strongest
predictors of stepparent-stepchild
relationship quality.

The biological parent
who says “I want you
to respect [stepparent’s name].
They care about you and
they are part of our family”
is doing something the
stepparent cannot do for themselves.

Allowing the child to
maintain their relationship
with the absent biological parent.
Research on stepchild adjustment
consistently finds that children
who are supported in maintaining
a positive relationship with
the absent biological parent —
who are not asked to choose,
not exposed to criticism
of the other parent,
not made to feel guilty
for loving both parents —
show better adjustment
in the stepfamily and
better relationship quality
with the stepparent.

The loyalty conflict that
drives much stepchild resistance
is reduced when the child
experiences that loving
the stepparent does not
threaten the relationship
with the biological parent.

Realistic expectations
about timeline and outcome.
Research on stepfamily adjustment
finds that stepparents and
biological parents who have
realistic expectations —
who understand that integration
takes years, not months;
that love cannot be manufactured;
and that a warm, respectful
relationship is a genuine
success even if it never
resembles a biological
parent-child relationship —
show better personal wellbeing
and make better parenting
decisions than those
with unrealistic expectations.

What Does Not Help

Expecting or requiring
the child to call the
stepparent Mum or Dad.
Research on stepchild adjustment
and naming consistently finds
that children who are
required to use parental
terms for stepparents
before they feel the
relationship warrants it
show worse adjustment.
The name the child
chooses for the stepparent —
when allowed to choose —
is a reflection of
where the relationship
genuinely is, and
honoring that is
more important than
the label.

Criticizing the absent
biological parent. Research
on stepchild adjustment
finds that children who
hear criticism of their
absent biological parent —
from the biological parent
in the home, from the
stepparent, or from both —
show consistently worse
adjustment and worse
stepparent-stepchild
relationship quality.
Loyalty conflict is
intensified, not reduced,
by criticism of the
other parent.

Expecting the stepparent-stepchild
relationship to look like
a biological parent-child
relationship. Research on
stepfamily functioning finds
that the stepfamilies with
the best outcomes are those
that develop their own
distinct family identity —
rather than trying to
replicate the biological
family structure. A stepfamily
that works is not a
failed attempt at a
first family. It is
something genuinely different
and genuinely valuable.

Try This This Week

Practice 1 — The Interest Inventory
What it is: A deliberate
practice for stepparents
of learning and engaging
with what the stepchild
genuinely cares about —
building connection through
genuine interest rather
than through role performance.

How to do it: This week,
find out one thing your
stepchild is currently
most interested in —
a game, a show, a sport,
a topic, a hobby —
and engage with it genuinely:
Ask them to explain it to you.
Watch or play with them.
Find something related
to share with them.
Ask a follow-up question
about something they
told you last time.

The goal is not to
become an expert.
It is to communicate
genuine interest in
what interests them.

Why it works: Research
on relationship development —
including in stepfamilies specifically —
finds that feeling genuinely
known and genuinely interesting
to another person is one
of the most powerful
relationship-building experiences available.
The stepparent who knows
what the stepchild cares
about, and who engages
with it genuinely,
is building the foundation
of relationship that
parenting can eventually rest on.

Practice 2 — The Biological Parent Bridge
What it is: A daily
practice for the biological
parent of actively supporting
the stepparent-stepchild
relationship — building
the bridge between them
that research finds the
biological parent is
uniquely positioned to provide.

How to do it: Once
each day, find one
genuine, specific positive
thing to say about
the stepparent to
the child:
“[Stepparent] was really
thoughtful to remember
that you like that.”
“I noticed that [stepparent]
worked hard to make
that special for you.”
“[Stepparent] really
cares about you —
I see it every day.”

And once each day,
actively back the
stepparent’s decisions
in the child’s hearing —
not overriding or
undermining, but supporting.

Why it works: Research
by Bray and Hetherington
on stepfamily adjustment
finds that the biological
parent’s active support
of the stepparent is
the single strongest
modifiable predictor
of stepparent-stepchild
relationship quality.
The biological parent
has a unique influence
on the child’s openness
to the stepparent —
an influence the stepparent
cannot replicate and
that no other intervention
can fully replace.

The Bottom Line

The stepparent-stepchild
relationship is not a
lesser version of the
biological parent-child relationship.
It is something genuinely different —
built under different conditions,
developing on a different timeline,
and capable of becoming
something genuinely valuable
in its own right.

The research is clear
about what it requires:
time — measured in years,
not months; patience —
following the child’s
pace rather than the
adult’s expectations;
and the active support
of the biological parent,
without whom the stepparent’s
best efforts are significantly
harder.

The relationship that
develops through these
conditions — slowly,
genuinely, without pressure —
is one that research
finds children carry
with genuine value
into adulthood.

It is worth building carefully.

Sources

Bray, J. H., & Kelly, J. (1998).
Stepfamilies: Love, Marriage,
and Parenting in the First Decade.
Broadway Books.

Hetherington, E. M., &
Kelly, J. (2002).
For Better or For Worse.
W. W. Norton.

Papernow, P. L. (2013).
Surviving and Thriving in
Stepfamily Relationships.
Routledge.

Ganong, L., & Coleman, M. (2004).
Stepfamily Relationships:
Development, Dynamics,
and Interventions. Springer.