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Health Psychology Course: Compare Options and Start Free

Compare learning routes, then explore health psychology in eight free lessons. Use fictional adult scenarios to examine research, beliefs, social context, and everyday barriers. Read the diagrams, try the exercises, and check your explanations.

8 lessonsProgress in this browser
An adult at a kitchen table reading a printed article beside a notebook, a glass of water and a bowl of fruit

By the end you can...

  • Frame biological, psychological, and social research questions about one fictional case.
  • Distinguish an event, its appraisal, and practical barriers to action.
  • Calculate a proportion using the reference group named in the question.
  • Specify a routine, a review measure, and what its results cannot establish.

The route comparison first, then eight lessons on behavior, stress and health information, taught through fictional adult cases.

Choose academic study or a free introduction

Start with the route cards to compare purpose, time, and access, or begin the eight free lessons. This introduction is for adults and requires no prior study.

What health psychology covers

Health psychology examines biological, psychological, and social influences on health and illness, including behavior and health care systems. The APA overview describes the field. The lessons here teach research concepts through fictional adult examples.

Compare actual learning routes

Compare a focused free resource, a scheduled class, one taught subject, and a broader two-year program. Each provider has its own scope and access terms.

See the full comparison
Checked 2026-11-04. Facts read on each provider's own page; Psychology.com is not a degree program.
Provider and offeringTypeScopeAudienceAccessWorkloadEntry requirementsAssessmentAvailability
University of North Dakota
PSYC 335: Health Psychology
university subjectHealth behavior, stress, and health careUS; psychology and related health fieldsPaid tuition; materials extra18 lessons including 4 proctored exams; 3 to 9 monthsPSYC 111 Introduction to PsychologyAssignments and 4 proctored examsOpen, enroll anytime
Cardiff University
Health Psychology, PSY26A5606A
short courseFrameworks, stress, apps, and wearablesUK; Cardiff campus locationPaid tuition10 weekly meetings; Tuesdays 17:00 to 19:00not statedEssay or portfolio, 60%; 30-question class test, 40%Scheduled January 12, 2027; enrollment offered
Care Learning
Health Psychology Training Course
free resourceModels, behavior, communication, and care contextUK; health and social care contextListed free; login requiredAbout 1 hour, depending on experience and pace (provider FAQ)No prior psychology knowledge required (provider FAQ)Knowledge checks listedLogin-to-enroll offered
Northern Virginia Community College
Associate of Science in Psychology
degreeMajor concepts, methods, ethics, diversity, and communication; built for transfer to a four-year psychology majorUS; Virginia campuses (Alexandria, Annandale, Loudoun, Manassas, Woodbridge)Tuition; costs on the college's tuition pages, not the program pageTwo years; 62 creditsnot stated on the program pagenot stated on the program pageOffered at five campuses; term dates not stated on the program page

Prerequisites, time and depth

No prior study is required for these eight lessons. Work at your own pace and use the examples when a distinction needs another look. UND specifies introductory psychology; NOVA describes a broader two-year program. Review the provider details before choosing a longer route.

1

The biopsychosocial perspective

4 min

By the end you can name three kinds of influence on health.

An adult sits at a kitchen table beside a work bag and plain schedule cards.
Biological influencesBodily processes considered in a research question. (source)
Psychological influencesThoughts and expectations considered in a research question. (source)
Social influencesRelationships and conditions considered in a research question. (source)

Engel (1977) proposed a framework that considers biological, psychological, and social dimensions together. It organizes inquiry without assigning equal portions of an outcome.

The APA field overview also includes behavior and health care systems. In the fictional shift-work case, schedules, expectations, and daily rhythms are candidate influences. Their relevance and connections need investigation; the scene supplies no conclusion about a worker's health.

BiologicalPsychologicalSocialOne research question
  • Biological: Daily rhythms
  • Psychological: Expectations about work
  • Social: Schedules and housing noise
  • Where they meet: One research question
Questions for a fictional shift-work study. Overlap suggests possible connections; circle sizes do not represent equal causal shares. (source)

Connect two questions

For the fictional workers, ask when shifts allow rest and how that timing relates to daily rhythms. This connects a social question with a biological one. The connection is a hypothesis to investigate. Source

Quick check: What would be an incorrect reading of the three circles?

Show the answer

Answer: Each category explains exactly one-third of the outcome

The framework does not assign fixed causal shares. The equal-sized circles are a layout choice, not measured contributions. (source)

Try it

For the shift-work study, name one question at each level. Connect two without claiming a proven cause.

Show the answer

Possible questions concern daily rhythms, expectations about the next shift, and work schedules. One proposed connection is that schedules influence when rest is possible, which may interact with daily rhythms. This is a hypothesis to investigate. It is not a conclusion about any worker. The three categories organize the inquiry; they do not assign blame or imply that all influences are equally important in every setting.

Takeaway: The three perspectives organize questions; they do not allocate causes. (source)

Source: Engel, G. L. (1977). The need for a new medical model: A challenge for biomedicine. Science, 196(4286), 129-136.

2

Reading health research

4 min

By the end you can remove an unsupported causal claim.

Two adults compare survey sheets at an office table overlooking a courtyard.
SampleThe participants actually studied. (source)
Random assignmentAllocation to conditions by chance. (source)
Random samplingSelection from a population by chance. (source)

An observational study can describe a relationship without establishing its cause. Random sampling concerns who enters a study; random assignment concerns who receives which condition.

The invented survey below includes 200 adult office volunteers. They are the sample, not the entire population of workers. Both variables were reported and breaks were not assigned. Workload, reverse direction, and other explanations remain possible. Name the sample and design when rewriting the claim.

What the survey records

  • 200 adult office volunteers
  • More reported outdoor breaks alongside less reported stress

What remains unresolved

  • Whether breaks caused the difference
  • Whether workload or another factor influenced both
Invented survey, not a recommendation or a reported research result. (source)

Keep the result, change the claim

In the invented survey, "Outdoor breaks prevent stress for everyone" becomes "Outdoor breaks and lower reported stress were linked among 200 adult office volunteers." Lower workload could help explain both reports. Source

Quick check: What do the 200 volunteers constitute?

Show the answer

Answer: The sample studied

They are the observed sample. Volunteering does not establish random sampling, and the survey did not assign breaks. (source)

Try it

Rewrite the outdoor-break headline, naming the design and sample. Identify one variable that could explain the association.

Show the answer

A suitable headline is: "Outdoor breaks and lower reported stress were linked in a survey of adult office volunteers." Workload could influence both, so the survey does not establish that breaks caused the difference. The 200-person sample also cannot automatically represent every worker. These figures are fictional. The exercise practices matching a conclusion to a design, not choosing a behavior for anyone's health.

Takeaway: An association in a sample does not establish a universal cause. (source)

Source: Spielman, R. M., Jenkins, W. J., and Lovett, M. D. (2020). Psychology 2e: Analyzing Findings. OpenStax.

3

Stress and appraisal

4 min

By the end you can identify an event and its appraisals.

Two colleagues examine a scheduling board while a coworker demonstrates its movable pieces.
Primary appraisalEvaluation of an event's significance. (source)
Secondary appraisalEvaluation of resources and ways of responding. (source)

Appraisal concerns an event's significance and the resources available for responding. A shared event can be interpreted differently.

The fictional scheduling change separates the announcement from the employees' expectations. Missing training remains a practical feature of the setting. A study could measure the event, appraisals, available support, and subsequent responses separately. The exercise identifies concepts without prescribing how either employee should think.

Primary appraisal

  • What might this change mean?
  • Devon expects disruption.

Secondary appraisal

  • What resources are available?
  • Priya knows someone who can demonstrate the system.
A fictional shared announcement with different appraisals. These reports do not establish bodily responses. (source)

One sentence, two appraisals

Devon says the new system may disrupt work and nobody has demonstrated it. Disruption concerns the event's significance. The missing demonstration concerns available resources. Source

Quick check: Which statement most clearly concerns secondary appraisal?

Show the answer

Answer: A colleague can show how the system works

The colleague is an available resource. The announcement is the event; expected disruption concerns its significance. (source)

Try it

Devon says, "The new system may disrupt work, and nobody has shown me how it operates." Identify the appraisals.

Show the answer

The event is the introduction of the scheduling system. "It may disrupt my work" expresses a primary appraisal of its significance. "Nobody has shown me how it operates" identifies a resource concern relevant to secondary appraisal. Neither sentence establishes a measured physiological response. The analysis locates parts of a proposed process, rather than judging whether Devon should feel differently or recommending a personal response.

Takeaway: An event, its meaning, and available resources are separate things to examine. (source)

Source: Spielman, R. M., Jenkins, W. J., and Lovett, M. D. (2020). Psychology 2e: What Is Stress?. OpenStax.

Practice this in Learn: Naming what you feel

4

Beliefs about health

4 min

By the end you can distinguish beliefs, barriers, and actions.

An adult with a work bag stands outside a community information room.
IntentionA stated plan to perform an action. (source)
Perceived controlHow possible or difficult someone believes an action will be. (source)

Ajzen (1991) distinguishes attitudes, perceived social expectations, perceived control, intentions, and behavior. Perceived control is a belief; actual resources and opportunities also matter.

The fictional information session shows why an absent person cannot simply be described as uninterested. Preserve the belief already reported, identify the practical barrier, and ask what action was actually observed. The example applies a general theory without claiming that it explains every absence.

Reported belief or intention

  • The information session seems useful.
  • The respondent intends to attend.

Opportunity and action

  • Work overlaps the opening hours.
  • Attendance must be recorded separately.
A fictional survey case. Favorable beliefs do not establish practical access or attendance. (source)

Value and access can differ

An adult values the information session but works during its only opening hours. Record the favorable evaluation and scheduling barrier separately. The case does not supply an attendance record or establish whether another session was available. Source

Quick check: Which observation would most directly establish whether the adult attended?

Show the answer

Answer: An attendance record

Attendance is an action to observe. Neither valuing a session nor intending to attend establishes that it happened. (source)

Try it

An adult values the information session but works during its only opening hours. Identify the belief, barrier, and missing observation.

Show the answer

The favorable evaluation is a reported belief about usefulness. The clash between opening hours and work is an opportunity barrier. The scenario does not supply an attendance record or show whether another session was available. Concluding "not interested" would discard information already given. A research account should preserve the difference between valuing an activity and having a practical opportunity to participate in it.

Takeaway: Keep beliefs, opportunities, and recorded actions separate. (source)

Source: Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50, 179-211.

5

Habits and environmental barriers

4 min

By the end you can classify an obstacle using COM-B.

An information-desk worker reaches toward a locked cupboard of plain leaflets.
CapabilitySkills and knowledge relevant to an action. (source)
OpportunityExternal conditions that make an action possible. (source)
MotivationDeliberate and automatic processes that direct an action. (source)

COM-B organizes influences into capability, opportunity, and motivation. The components interact, and motivation includes automatic routines as well as deliberate intentions.

At the fictional desk, not knowing the current revision, being unable to access it, and reaching for a familiar stack are different obstacles. The framework helps specify what to investigate; it does not establish which change will succeed. Connect the proposed response to the obstacle actually described.

CapabilityOpportunityMotivationPlacing current leaflets
  • Capability: Knowing which leaflet to use
  • Opportunity: Being able to reach the stock
  • Motivation: Plans and familiar routines
  • Where they meet: Placing current leaflets
A conceptual map for the fictional desk. Interactions matter; overlap is not a score or a guaranteed solution. (source)

Match the response to the obstacle

The current leaflets are locked away. A reminder does not open the cupboard. Checking whether staff can obtain the stock addresses the stated opportunity barrier; any proposed change still needs evaluation. Source

Quick check: Which COM-B component is most directly constrained by the locked cupboard?

Show the answer

Answer: Opportunity

The obstacle is access to materials. Knowing what to use or intending to use it does not unlock the cupboard. (source)

Try it

The correct leaflets are locked away. Does a reminder email resolve the most directly constrained COM-B component?

Show the answer

Physical opportunity is directly constrained: staff cannot reach the materials. A reminder might make the task more salient, but it does not provide access to the locked box. The scenario supports examining access arrangements first, not assuming reminders never help. A check could record whether staff can obtain the current leaflets during each shift. The framework separates the stated obstacle from a proposed but mismatched response.

Takeaway: Name the obstacle before choosing a response. (source)

Source: Michie, S., van Stralen, M. M., and West, R. (2011). Implementation Science, 6, article 42. The paper that introduced the COM-B model and the intervention wheel.

6

Social support and context

4 min

By the end you can distinguish three forms of social support.

Colleagues listen, explain filing trays, and cover a community information desk.
Informational supportUseful information for a particular demand. (source)
Emotional supportEncouragement, acceptance, or attentive listening. (source)
Practical supportTangible assistance with a task or constraint. (source)

Social support includes useful information, encouragement, and tangible assistance. The fictional desk separates these functions so each can be described.

Counting contacts does not establish which help was available. If volunteers reporting more support stay longer, experience or scheduling flexibility might help explain both. That association alone does not establish causation. The exercise classifies help and the demand addressed, without inferring a health outcome.

Understanding and encouragement

  • A colleague explains where materials belong.
  • Another listens to concerns about the first shift.

Practical assistance

  • A colleague covers the desk during orientation.
Fictional examples of informational, emotional, and practical support. One interaction can serve more than one function. (source)
Quick check: Covering the desk while a volunteer attends orientation most directly illustrates which function?

Show the answer

Answer: Practical support for a scheduling conflict

The colleague supplies time and task coverage. The action addresses the conflict between staffing and attending orientation. (source)

Try it

One colleague explains filing; another covers the desk during orientation. Classify each support function and the demand addressed.

Show the answer

Explaining the filing system provides informational support for a knowledge gap. Covering the desk provides practical support for a scheduling conflict. Either colleague might also offer encouragement, but that is not stated. The distinction helps define what a study would measure. It would be premature to claim that either act improves health or guarantees retention merely because it fits a familiar support category.

Takeaway: Identify what help does, not just how many contacts exist. (source)

Source: Spielman, R. M., Jenkins, W. J., and Lovett, M. D. (2020). Psychology 2e: Regulation of Stress. OpenStax.

7

Understanding health information

4 min

By the end you can calculate a proportion with the correct denominator.

An adult sorts plain leaflets and wooden tokens into review trays.
DenominatorThe reference group used in a proportion. (source)
Natural frequenciesCounts that preserve how cases fall into nested groups. (source)

Gigerenzer and Hoffrage (1995) studied frequency formats for specified probability problems. Their findings do not establish that every count display makes every inference easy.

The fictional leaflet audit applies that format to information quality. The two questions use the same numerator but different reference groups. No real checking system or health outcome is represented. Read the grid's unit before calculating, then compare the two denominators in the worked example.

16 of 24 flagged leaflets highlighted.

Invented audit: of 24 flagged leaflets, 16 are outdated and 8 are current. The grid represents the flagged pile, not all 100 leaflets. (source)

Two questions, two denominators

The invented audit has 100 leaflets: 20 outdated and 80 current. Sixteen outdated and eight current leaflets are flagged. Among flagged leaflets, 16/24 are outdated, about 67%. Among outdated leaflets, 16/20 are detected, or 80%. Source

Quick check: What is the denominator for "What fraction of flagged leaflets are outdated?"

Show the answer

Answer: 24 flagged leaflets

The question names the flagged pile. Divide 16 outdated flagged leaflets by all 24 flagged leaflets. (source)

Try it

Compare the outdated fraction of the 24 flagged leaflets with the detected fraction of all 20 outdated leaflets.

Show the answer

Sixteen out of twenty-four flagged leaflets are outdated: two-thirds, or about 67%. Sixteen out of twenty outdated leaflets were detected: 80%. The first describes the flagged pile; the second describes coverage of outdated items. Both calculations are correct for their respective questions. Reporting 80% as the accuracy of the flagged pile would substitute the wrong denominator and misrepresent this fictional audit.

Takeaway: Choose the group named in the question before dividing. (source)

Source: Gigerenzer, G., and Hoffrage, U. (1995). How to improve Bayesian reasoning without instruction: Frequency formats. Psychological Review, 102(4), 684-704.

8

Planning and reviewing a small everyday change

4 min

By the end you can specify a plan and review measure.

A coordinator places delivered leaflets in a review tray beside wooden counting tokens.
GoalA desired outcome. (source)
Implementation intentionA plan linking a specific situation with an action. (source)

Gollwitzer and Brandstätter (1997) distinguish a goal from a plan linking a situation with an action. Their studies concern goal pursuit under specified conditions; a plan cannot remove every barrier.

Choose the review measure before collecting the fictional delivery records. An improvement would describe what changed. Without a suitable comparison, it would not isolate the plan's causal effect. Even five successful deliveries would not establish a lasting habit.

  1. CueA delivery arrives
  2. ActionThe coordinator places it in the review tray
  3. RecordWas it filed before shift end?
  4. ReviewCount five deliveries and note obstacles
A proposed routine and review for a fictional desk. Arrows describe the plan, not a proven causal effect. (source)

A plan still needs an opportunity

When a delivery arrives, the on-duty coordinator will place it in the review tray. Count how many of the next five deliveries reach the tray before shift end. A missing tray or unstaffed desk can still prevent the action. Source

Quick check: Which statement is an implementation intention?

Show the answer

Answer: When a delivery arrives, the coordinator will place it in the review tray

The statement links a cue with an action. The other statements describe a goal and an observation. (source)

Try it

Plan for the next five deliveries: name a cue, action, review measure, and barrier the plan cannot resolve.

Show the answer

A model plan is: "When each delivery arrives, the on-duty coordinator will place it in the dated review tray." Record the number of five deliveries filed before shift end. A missing tray or unstaffed desk could prevent the action. Reviewing those obstacles helps interpret the record. Even five successful deliveries would not prove a lasting habit or show that the plan alone caused success.

Takeaway: A clear plan specifies when to act; a review records what happened. (source)

Source: Gollwitzer, P. M., and Brandstätter, V. (1997). Implementation intentions and effective goal pursuit. Journal of Personality and Social Psychology, 73(1), 186-199.

What do you learn in health psychology, and what does it include?

You learn how biological, psychological, and social factors are studied together in health and illness. The APA overview includes behavior and health care systems. Here you interpret research, distinguish beliefs from barriers, and evaluate information through fictional examples and worked exercises. (source)

Can I take a free online health psychology course?

Yes. The lessons here include all teaching, exercises, and answers. Care Learning lists a free online resource requiring login, in a UK care context. Its public description was inspected for this comparison; its lessons behind the account gate were not inspected. (source)

What prerequisites do university courses require?

Requirements vary. UND's PSYC 335 page specifies introductory psychology. Care Learning's FAQ says no prior psychology knowledge is required. The Cardiff and NOVA pages checked for this comparison do not state entry requirements, and that omission does not establish unrestricted admission. Read current provider requirements before arranging your academic study schedule. (source 1, source 2, source 3, source 4)

How does health psychology differ from clinical psychology?

Health psychology emphasizes interactions among biological, psychological, and social influences on health. Clinical psychology includes research and professional practice concerning psychological difficulties. These are overlapping areas, not a broader-versus-narrower hierarchy. (source 1, source 2)

How does a broad program differ from one subject?

NOVA describes a two-year psychology program. UND describes one health psychology subject with introductory psychology required. Compare their scope, workload, and entry requirements in the detailed table. (source 1, source 2)

What arithmetic does this course use?

Lesson 7 uses counts, fractions, and percentages to compare two reference groups. The worked example shows each division. (source)

How do I compare learning routes?

Choose the purpose you want to explore, then compare scope, time, access, and prerequisites. The route cards summarize the provider pages; the full table keeps the details. (source 1, source 2, source 3, source 4)

Where can I find a health psychology PDF?

UND links a syllabus and explains how its print control generates a PDF. That supplies course information, not the entire taught subject free. The OpenStax sources provide further reading; this page contains its complete eight-lesson introduction online, including every worked exercise. (source)

Where to go next

Sources

  1. American Psychological Association. (2014). Health Psychology Promotes Wellness.
  2. American Psychological Association. Clinical Psychology Solves Complex Human Problems.
  3. Engel, G. L. (1977). The need for a new medical model: A challenge for biomedicine. Science, 196(4286), 129-136.
  4. Spielman, R. M., Jenkins, W. J., and Lovett, M. D. (2020). Psychology 2e: Analyzing Findings. OpenStax.
  5. Spielman, R. M., Jenkins, W. J., and Lovett, M. D. (2020). Psychology 2e: What Is Stress?. OpenStax.
  6. Michie, S., van Stralen, M. M., and West, R. (2011). Implementation Science, 6, article 42. The paper that introduced the COM-B model and the intervention wheel.
  7. Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50, 179-211.
  8. Spielman, R. M., Jenkins, W. J., and Lovett, M. D. (2020). Psychology 2e: Regulation of Stress. OpenStax.
  9. Gigerenzer, G., and Hoffrage, U. (1995). How to improve Bayesian reasoning without instruction: Frequency formats. Psychological Review, 102(4), 684-704.
  10. Gollwitzer, P. M., and Brandstätter, V. (1997). Implementation intentions and effective goal pursuit. Journal of Personality and Social Psychology, 73(1), 186-199.
  11. Northern Virginia Community College. Psychology: Program overview.
  12. University of North Dakota. PSYC 335: Health Psychology. Course information, checked November 4, 2026.
  13. Cardiff University. Health Psychology, PSY26A5606A. Course information, checked November 4, 2026.
  14. Care Learning. Health Psychology Training Course. Course information, checked November 4, 2026.
  15. Psychology.com. Learn: public track and access information. Opened November 4, 2026.
  16. Psychology.com. Courses: course and mini course catalog. Opened November 4, 2026.

Cite this source

Psychology.com. (2026, November 4). Health Psychology Course. Psychology.com. https://psychology.com/courses/health-psychology