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Maria Anya Paola P. Sanchez, OTRP
   Prime Movers Review Center
Define evidence-based practice (EBP).

Identify the levels of research evidence.

Describe the process of finding and
 appraising evidence that can be applied in
 practice.
Compare and contrast quantitative and
 qualitative studies.

Define basic terms used in descriptive
 statistics as applied in clinical research.

Define intellectual property and plagiarism.
Describe the American Psychological
 Association (APA) style for writing
 reference lists and in-text citations.

Distinguish established interventions from
 non-validated treatments.
Validated

Experimental (some are plausible, some
 are not)

Quackery
Cure claims

Practitioner specialization

Questionable research

Intensity
Economic harm
Permanent injury
Temporary injury
Death
Psychological harm

NCAHF, 1996
Boredom

Low professional esteem

Paranormal tendencies/beliefs
 enroachment

Paranoia
Reality shock

Profit motive

Prophet motive

Psychopathic tendencies

Conversion phenomenon
Proven practices may be difficult.

Unproven practices make them feel valuable.

People believe only the research that
 supports their values.
Professionals do not read literature.

They want to offer people hope.
Lack of suspicion
Belief in magic
Overconfidence
Desperation
Alienation
The disease may have run its course.

Many diseases are cyclical.

Placebo effect may be responsible.

Original diagnosis/prognosis is wrong.
Improvements credited to the wrong
 intervention.

Mood improvement can be confused with
 cure.

Psychological needs can distort what
  people perceive and do.
 
“We envision Occupational Therapy as a
 powerful, widely-recognized, science-
    driven, and evidence-based
profession with a globally connected and
  diverse workforce meeting society’s
          occupational needs.”

               (AOTA, 2006)
“…the conscientious, explicit and
 judicious use of current best evidence
 in making decisions about the care of
 individual patients.” (Sackett, 1996)
Sackett, 1996;
Law, 2011
Limited time
Information overload
Lack of skills in interpreting research
  findings
Lack of research evidence
Resistance to change
MAIN AIM: To improve patient outcomes.
To use intervention strategies that are
 scientifically valid.
To have accountability.
To improve clinicians’ knowledge.
To stimulate clinically relevant research.
                              Bailey, 2003;
                              Bennett, 2011
SCIENTIFIC          DUBIOUS
Improvements in   Cures; vague but
everyday          important-sounding
functioning       benefits
SCIENTIFIC             DUBIOUS
Controlled studies   Uncontrolled studies;
with measurable      measures are not
results              reliable.
SCIENTIFIC            DUBIOUS
Consistency with   “Natural” intervention;
other knowledge    attempts to
                   remediate a core
                   deficit.
Bailey, 2003; Bennett, 2011; Bennett & Bennett, 2000
Types of clinical questions:

What is the most appropriate assessment?
What is the prognosis of the
 disease/disability?
Which intervention strategies are most
 effective?
How cost-effective are these intervention
 strategies?

What are the patient’s
 experiences/concerns?
How do you form a clinical question?

P – patient/problem/population
I – intervention
C – comparison intervention (if relevant)
O – outcomes of interest

                  “PICO”
Example 1: Does therapeutic practice (I)
 improve handwriting legibility and speed
 (O) for children with autism (P) better than
 sensorimotor-based interventions (C)?
Example 2: Do tongue exercises (I) improve
 swallowing patterns (O) for patients with
 CVA (P) better than food modification
 techniques (C)?
Give an example of a clinical question.

      Identify the P, I, C and O.
Do a literature search.

Attend conferences and workshops.

Join professional organizations.
Assess the similarities between your client
 and the participants

Check if the researcher controlled for outside
 influences.

Examine the psychometric properties of the
 assessment tools that were used.
Research use – apply research findings.

EBP – tailored, client-centered use of best
 research evidence and clinical expertise.
Why does clinical expertise play a
          role in EBP?
How efficient and effective were you in
 following the EBP process?

What were the results of the interventions
 used?

How does the intervention compare with
 others?
Clearly and concisely explain to the patient
 and the family how research supports a
 particular intervention.

Communicate the findings to your
 colleagues.
Dickson, 2005; Humphris, 2005
Systematic Reviews – brings together and
 appraises ALL research findings

Meta-Analysis – uses a statistical approach
Randomized Controlled Trial (RCT) – one
 group receives an intervention, one group
 does not; participants are randomly
 assigned.
Case control – one group does not have the
 condition, the other group has the
 condition.

Cohort – participants are studied over a
 long period of time; prospective or
 restrospective.
Before and after

Pre-test and Post-test
Descriptive studies with analyses of
 outcomes for a particular individual

Examples: case series, single-subject
Single-Subject Designs:

AB

ABAB

Multiple Baseline
Case reports

Expert Opinion
A. Case-Controlled Studies

B. Randomized Controlled Trials

C. Cohort Studies

D. Case Series
Bailey, 2003
Front material – title, authors and their
 affiliations, key words and an abstract

Problem – the major issue that the
 researcher wishes to address in the study

Background/Literature review - findings
 from different studies.
Results – in a quantitative study, the
 statistical analysis is briefly described;
 descriptive statistics are used.

References – the final portion which
 presents all publications and other
 materials that are cited in the text.
Purpose – what the authors hope to
 accomplish in the study.

Hypotheses/Research Questions

Method – sources of data, participant
 selection, sample size, procedures and
 instruments used.
Castaldy, 2008; Jeanfreau & Jack, 2010
Phenomenology – “phenomenon”; how one
 perceives personal experience.

Ethnomethodology – “ethno-”; culture –
 practices, beliefs, roles and values.

Participatory Action Research –
 “participate”; subjects research on their
 own experiences.
Grounded Theory – theory based on data.

Heuristic – researcher participates in the
 experience.

Case study – a single sbject or group of
 subjects is studied in an in-depth manner.
Interviews

Focus Groups

Participant Observation
Purposeful/Purposive – based on the
 purpose of the study.

Nominated – people volunteer other people.
Volunteer – people volunteered but the
 researchers do not know them.

Total population – subjects are in one area.
Did the qualitative research describe an
 important problem related to health
 practice?

Does the study have clear research
 questions?

Was the qualitative approach appropriate?
How were the participants selected?

What were the researchers’ roles in the
 study? Was this taken into account?

What methods did the researchers use for
 gathering data? Were they described in
 appropriate detail?
Castaldy, 2008; Law, 2011; Polgar & Thomas, 2010
True Experimental – two groups;
 randomization.

Quasi-Experimental – no randomization;
 used when it is unethical to withhold
 treatment.
Non-Experimental/Correlational –
 impossible to have randomization or
 manipulation of variables.
Properties that vary.

Can be numerical or categorical.
Dependent – item observed and measured;
 cannot be manipulated.

Independent – assumed to have caused
  effects; manipulated.
Reliability – consistency of measurements

2 Types:
Inter-rater – between two raters
Test-retest (intra-rater)– after a time interval, usually
  2 weeks

Measured by a correlation coefficient from -1 to +1
Good reliability: 0.8 and above
Validity – the extent to which a tool
 measures what it intends to measure.

3 Types:
Construct-related
Content-related
Criterion-related
Construct-related validity – the extent to
 which a tool discriminates among different
 groups of individuals.
Example: The Sensory Profile is able to
 differentiate kids with sensory processing
 disorders from typically developing
 children because of its acceptable level of
 construct-related validity.
Content-related validity – the extent to
 which items on a test accurately sample a
 particular behavior domain.
Example: The Barthel Index has a
 comprehensive set of items (content-
 related validity) pertaining to self-care
 tasks in order to measure the client’s
 performance in ADL.
Criterion-related validity – the extent to
 which a tool predicts the client’s
 performance in other related tests or
 activities.
2 Types of Criterion-Related Validity

Concurrent
Predictive
Concurrent – measures current
 performance
Example: There is a high correlation
 between the Sensory Profile and the
 School Function Assessment (SFA) in
 items that address hand use.
Predictive – predicts one’s performance in
 the future when another test is used.
Example:


The Test of Infant Motor Performance
 (TIMP) was administered shortly after
 birth. It was able to accurately predict
 which infants would be classified as
 delayed by the Alberta Infant Motor Scale
 after 12 months.
History
Maturation
Testing
Instrumentation
Selection or assignment errors
Nominal – naming; categorization
 Example: Male & Female; Blood Types A,
 B, O, AB

Ordinal – rank ordering
 Example: Good, fair, poor; minimal,
 moderate, maximal
Interval – no absolute zero; identifies
  intervals or distances between any 2
  values.
  Examples: Celsius, Fahrenheit

Ratio – has a zero-point.
 Examples: Height, weight, ROM
 measurements
Sensitivity – people with conditions are
 correctly identified as having such
 problems; detects “true positive”.

Specificity – people without conditions are
 identified as NOT having such problems;
 detects “true negative”.
Type I – “false positive”

Type II – “false negative”; more
 dangerous
Sample bias

Intervention bias

Measurement bias
Rosenthal Effect – researcher expectation
 influenced the results.

Hawthorne Effect – subjects’ performance
 improved through being observed and/or
 social contact; an example of placebo
 effect.
Statistical Significance – the probability that
 the differences in the outcomes were NOT
 caused by chance.

P- value – probability that an event
 occurred by chance; used to measure
 statistical significance.
P > 0.05 – result is not statistcally
 significant.
P < 0.05 – result is significant.
P < 0.01 – result is highly significant
P < 0.001 – result is very highly significant
CENTRAL TENDENCY

Mean – average
Median – middle
Mode – most common
Internal Validity – results are due to the
  treatment/independent variable

External Validity – results can be
 generalized to the population
Republic Act No. 8293 – Intellectual
 Property Code of the Philippines

Intellectual Property Rights – the exclusive
  right given to a creator over the use of his
  creation within a period of time.
Turning in someone else’s work as your
 own.

Copying words or ideas from someone else
 without giving credit.

Failing to put quotation marks.
Changing words but not changing the
 sentence structures without giving credit.

Copying so many words that they constitute
 the bulk of your work.
References are cited both in the text and in the
 reference list.

In-text citation: surname and year of publication

Reference List: Author’s last name, initials (year in
  parenthesis), title of article or book, title of
  publication (if journal) or city, state and publication
  house (if book)
 
To be questioning

To see more than one side of the argument

To be objective rather than subjective

To weigh evidence
To judge whether a statement is based on logic
 or emotion

To look at the meaning behind the facts

To identify issues regarding the facts

To recognize when further evidence is needed
Role modelling

Reflection in action

Action learning groups

Research awareness groups
Ending

The Neutral Zone

The New Beginning
American Occupational Therapy Association. (2006). AOTA’s Centennial Vision. Retrieved May 5, 2011 from
   http://www.aota.org/News/Centennial/Background/36516.aspx.


Bailey, D.M. (2003). Research: Discovering Knowledge through Systematic Investigation. In E.B. Crepeau, et. al (Eds.), Willard & Spackman’s
     Occupational Therapy (pp. 963-974). Philadelphia: Lippincott, William & Wilkins.


Bennett, S. (2011). Evidence-Based Practice in Occupational Therapy : An Introduction. Retrieved May 5, 2011 from
   http://www.otevidence.info/images/Introduction.pdf.


Bennett, S. & Bennet J.W. (2000). The process of evidence-based occupational therapy: Informing clinical decisions. Australian Occupational
   Therapy Journal, 47, 171.80.


Cabatan (2006). Referencing. Manila: University of the Philippines, College of Allied Medical Professions.
 
Castaldy, R. P. F. (2008). Professional responsibilities and service management. In R.P.F. Castaldy (Ed.), National Occupational Therapy
    Certification Exam: Review & Study Guide. Illinois: International Educational Resources.


Dickson, R. (2005). Types of evidence. In S. Hamer & G. Collinson (Eds.), Achieving Evidence-Based Practice (pp. 15-40). Philadelphia:
    Elsevier, Limited.
 
Humphris, D. (2005). Types of evidence. In S. Hamer & G. Collinson (Eds.), Achieving Evidence-Based Practice (pp. 15-40). Philadelphia:
   Elsevier, Limited.
Jeanfreau, S.G. & Jack, L. (2010). Appraising qualitative research in health education: Guidelines for public health educators. Health Promotion
    Practice, 11, 612-617.


Law, M. (2011).Evidence-based practice: Finding and critically reviewing the evidence. Retrieved May 5, 2011 from
    http://www.otevidence.info/images/FindingReviewing.pdf.
 
Lin, S.H., Murphy, S.L., & Robinson, J.C. (2010). The Issue is --- Facilitating evidence-based practice: Process, strategies and resources. American
     Journal of Occupational Therapy, 64, 164-171.
 
Polgar, J.M. (2003). Critiquing Assessments. In E.B. Crepeau, et. al (Eds.), Willard & Spackman’s Occupational Therapy 10 th Edition (pp. 299-313).
    Philadelphia: Lippincott, William & Wilkins.
 
Polgar, S. & Thomas, S.A. (2010). Introduction to Research in the Health Sciences. Singapore: Elsevier, Limited.


Richardson, P.K. (2010). Use of Standardized Tests in Pediatric Practice. In J. Case-Smith & J. Clifford O’Brien (Edzs.) Occupational Therapy for
    Children 6th Edition (pp.216-243). Missouri: Mosby Elsevier.
 
Rappolt, S. (2003). The role of professional expertise in evidence-based occupational therapy. American Journal of Occupational Therapy, 57, 589-
   593.
 
Sackett, D.L., et.al.(1996). Evidence based medicine: What it is and what it isn’t. British Medical Journal. Retrieved May 5, 2011 from
    http://www.bmj.com/content/312/7023/71.long.
 
 
Tomlin, G. & Borgetto, B. (2011). Research Pyramid: A new evidence-based practice model for occupational therapy. American Journal of
   Occupational Therapy, 65, 189-196.
 
What is Plagiarism? Retrieved May 5, 2011 from http://www.plagiarism.org/plag_article_what_is_plagiarism.html.
 

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Ebp lec ppt june 2012

  • 1. Maria Anya Paola P. Sanchez, OTRP Prime Movers Review Center
  • 2. Define evidence-based practice (EBP). Identify the levels of research evidence. Describe the process of finding and appraising evidence that can be applied in practice.
  • 3. Compare and contrast quantitative and qualitative studies. Define basic terms used in descriptive statistics as applied in clinical research. Define intellectual property and plagiarism.
  • 4. Describe the American Psychological Association (APA) style for writing reference lists and in-text citations. Distinguish established interventions from non-validated treatments.
  • 5.
  • 6. Validated Experimental (some are plausible, some are not) Quackery
  • 8. Economic harm Permanent injury Temporary injury Death Psychological harm NCAHF, 1996
  • 9. Boredom Low professional esteem Paranormal tendencies/beliefs enroachment Paranoia
  • 10. Reality shock Profit motive Prophet motive Psychopathic tendencies Conversion phenomenon
  • 11. Proven practices may be difficult. Unproven practices make them feel valuable. People believe only the research that supports their values.
  • 12. Professionals do not read literature. They want to offer people hope.
  • 13. Lack of suspicion Belief in magic Overconfidence Desperation Alienation
  • 14. The disease may have run its course. Many diseases are cyclical. Placebo effect may be responsible. Original diagnosis/prognosis is wrong.
  • 15. Improvements credited to the wrong intervention. Mood improvement can be confused with cure. Psychological needs can distort what people perceive and do.  
  • 16. “We envision Occupational Therapy as a powerful, widely-recognized, science- driven, and evidence-based profession with a globally connected and diverse workforce meeting society’s occupational needs.” (AOTA, 2006)
  • 17. “…the conscientious, explicit and judicious use of current best evidence in making decisions about the care of individual patients.” (Sackett, 1996)
  • 19. Limited time Information overload Lack of skills in interpreting research findings Lack of research evidence Resistance to change
  • 20. MAIN AIM: To improve patient outcomes. To use intervention strategies that are scientifically valid. To have accountability. To improve clinicians’ knowledge. To stimulate clinically relevant research. Bailey, 2003; Bennett, 2011
  • 21. SCIENTIFIC DUBIOUS Improvements in Cures; vague but everyday important-sounding functioning benefits
  • 22. SCIENTIFIC DUBIOUS Controlled studies Uncontrolled studies; with measurable measures are not results reliable.
  • 23. SCIENTIFIC DUBIOUS Consistency with “Natural” intervention; other knowledge attempts to remediate a core deficit.
  • 24. Bailey, 2003; Bennett, 2011; Bennett & Bennett, 2000
  • 25. Types of clinical questions: What is the most appropriate assessment? What is the prognosis of the disease/disability? Which intervention strategies are most effective?
  • 26. How cost-effective are these intervention strategies? What are the patient’s experiences/concerns?
  • 27. How do you form a clinical question? P – patient/problem/population I – intervention C – comparison intervention (if relevant) O – outcomes of interest “PICO”
  • 28. Example 1: Does therapeutic practice (I) improve handwriting legibility and speed (O) for children with autism (P) better than sensorimotor-based interventions (C)?
  • 29. Example 2: Do tongue exercises (I) improve swallowing patterns (O) for patients with CVA (P) better than food modification techniques (C)?
  • 30. Give an example of a clinical question. Identify the P, I, C and O.
  • 31. Do a literature search. Attend conferences and workshops. Join professional organizations.
  • 32. Assess the similarities between your client and the participants Check if the researcher controlled for outside influences. Examine the psychometric properties of the assessment tools that were used.
  • 33.
  • 34. Research use – apply research findings. EBP – tailored, client-centered use of best research evidence and clinical expertise.
  • 35. Why does clinical expertise play a role in EBP?
  • 36. How efficient and effective were you in following the EBP process? What were the results of the interventions used? How does the intervention compare with others?
  • 37. Clearly and concisely explain to the patient and the family how research supports a particular intervention. Communicate the findings to your colleagues.
  • 39. Systematic Reviews – brings together and appraises ALL research findings Meta-Analysis – uses a statistical approach
  • 40. Randomized Controlled Trial (RCT) – one group receives an intervention, one group does not; participants are randomly assigned.
  • 41. Case control – one group does not have the condition, the other group has the condition. Cohort – participants are studied over a long period of time; prospective or restrospective.
  • 42. Before and after Pre-test and Post-test
  • 43. Descriptive studies with analyses of outcomes for a particular individual Examples: case series, single-subject
  • 46. A. Case-Controlled Studies B. Randomized Controlled Trials C. Cohort Studies D. Case Series
  • 48. Front material – title, authors and their affiliations, key words and an abstract Problem – the major issue that the researcher wishes to address in the study Background/Literature review - findings from different studies.
  • 49. Results – in a quantitative study, the statistical analysis is briefly described; descriptive statistics are used. References – the final portion which presents all publications and other materials that are cited in the text.
  • 50. Purpose – what the authors hope to accomplish in the study. Hypotheses/Research Questions Method – sources of data, participant selection, sample size, procedures and instruments used.
  • 52. Phenomenology – “phenomenon”; how one perceives personal experience. Ethnomethodology – “ethno-”; culture – practices, beliefs, roles and values. Participatory Action Research – “participate”; subjects research on their own experiences.
  • 53. Grounded Theory – theory based on data. Heuristic – researcher participates in the experience. Case study – a single sbject or group of subjects is studied in an in-depth manner.
  • 55. Purposeful/Purposive – based on the purpose of the study. Nominated – people volunteer other people.
  • 56. Volunteer – people volunteered but the researchers do not know them. Total population – subjects are in one area.
  • 57. Did the qualitative research describe an important problem related to health practice? Does the study have clear research questions? Was the qualitative approach appropriate?
  • 58. How were the participants selected? What were the researchers’ roles in the study? Was this taken into account? What methods did the researchers use for gathering data? Were they described in appropriate detail?
  • 59. Castaldy, 2008; Law, 2011; Polgar & Thomas, 2010
  • 60. True Experimental – two groups; randomization. Quasi-Experimental – no randomization; used when it is unethical to withhold treatment.
  • 61. Non-Experimental/Correlational – impossible to have randomization or manipulation of variables.
  • 62. Properties that vary. Can be numerical or categorical.
  • 63. Dependent – item observed and measured; cannot be manipulated. Independent – assumed to have caused effects; manipulated.
  • 64. Reliability – consistency of measurements 2 Types: Inter-rater – between two raters Test-retest (intra-rater)– after a time interval, usually 2 weeks Measured by a correlation coefficient from -1 to +1 Good reliability: 0.8 and above
  • 65. Validity – the extent to which a tool measures what it intends to measure. 3 Types: Construct-related Content-related Criterion-related
  • 66. Construct-related validity – the extent to which a tool discriminates among different groups of individuals.
  • 67. Example: The Sensory Profile is able to differentiate kids with sensory processing disorders from typically developing children because of its acceptable level of construct-related validity.
  • 68. Content-related validity – the extent to which items on a test accurately sample a particular behavior domain.
  • 69. Example: The Barthel Index has a comprehensive set of items (content- related validity) pertaining to self-care tasks in order to measure the client’s performance in ADL.
  • 70. Criterion-related validity – the extent to which a tool predicts the client’s performance in other related tests or activities.
  • 71. 2 Types of Criterion-Related Validity Concurrent Predictive
  • 72. Concurrent – measures current performance
  • 73. Example: There is a high correlation between the Sensory Profile and the School Function Assessment (SFA) in items that address hand use.
  • 74. Predictive – predicts one’s performance in the future when another test is used.
  • 75. Example: The Test of Infant Motor Performance (TIMP) was administered shortly after birth. It was able to accurately predict which infants would be classified as delayed by the Alberta Infant Motor Scale after 12 months.
  • 77. Nominal – naming; categorization Example: Male & Female; Blood Types A, B, O, AB Ordinal – rank ordering Example: Good, fair, poor; minimal, moderate, maximal
  • 78. Interval – no absolute zero; identifies intervals or distances between any 2 values. Examples: Celsius, Fahrenheit Ratio – has a zero-point. Examples: Height, weight, ROM measurements
  • 79. Sensitivity – people with conditions are correctly identified as having such problems; detects “true positive”. Specificity – people without conditions are identified as NOT having such problems; detects “true negative”.
  • 80. Type I – “false positive” Type II – “false negative”; more dangerous
  • 82. Rosenthal Effect – researcher expectation influenced the results. Hawthorne Effect – subjects’ performance improved through being observed and/or social contact; an example of placebo effect.
  • 83. Statistical Significance – the probability that the differences in the outcomes were NOT caused by chance. P- value – probability that an event occurred by chance; used to measure statistical significance.
  • 84. P > 0.05 – result is not statistcally significant. P < 0.05 – result is significant. P < 0.01 – result is highly significant P < 0.001 – result is very highly significant
  • 85. CENTRAL TENDENCY Mean – average Median – middle Mode – most common
  • 86. Internal Validity – results are due to the treatment/independent variable External Validity – results can be generalized to the population
  • 87.
  • 88. Republic Act No. 8293 – Intellectual Property Code of the Philippines Intellectual Property Rights – the exclusive right given to a creator over the use of his creation within a period of time.
  • 89. Turning in someone else’s work as your own. Copying words or ideas from someone else without giving credit. Failing to put quotation marks.
  • 90. Changing words but not changing the sentence structures without giving credit. Copying so many words that they constitute the bulk of your work.
  • 91. References are cited both in the text and in the reference list. In-text citation: surname and year of publication Reference List: Author’s last name, initials (year in parenthesis), title of article or book, title of publication (if journal) or city, state and publication house (if book)  
  • 92. To be questioning To see more than one side of the argument To be objective rather than subjective To weigh evidence
  • 93. To judge whether a statement is based on logic or emotion To look at the meaning behind the facts To identify issues regarding the facts To recognize when further evidence is needed
  • 94. Role modelling Reflection in action Action learning groups Research awareness groups
  • 96.
  • 97. American Occupational Therapy Association. (2006). AOTA’s Centennial Vision. Retrieved May 5, 2011 from http://www.aota.org/News/Centennial/Background/36516.aspx. Bailey, D.M. (2003). Research: Discovering Knowledge through Systematic Investigation. In E.B. Crepeau, et. al (Eds.), Willard & Spackman’s Occupational Therapy (pp. 963-974). Philadelphia: Lippincott, William & Wilkins. Bennett, S. (2011). Evidence-Based Practice in Occupational Therapy : An Introduction. Retrieved May 5, 2011 from http://www.otevidence.info/images/Introduction.pdf. Bennett, S. & Bennet J.W. (2000). The process of evidence-based occupational therapy: Informing clinical decisions. Australian Occupational Therapy Journal, 47, 171.80. Cabatan (2006). Referencing. Manila: University of the Philippines, College of Allied Medical Professions.   Castaldy, R. P. F. (2008). Professional responsibilities and service management. In R.P.F. Castaldy (Ed.), National Occupational Therapy Certification Exam: Review & Study Guide. Illinois: International Educational Resources. Dickson, R. (2005). Types of evidence. In S. Hamer & G. Collinson (Eds.), Achieving Evidence-Based Practice (pp. 15-40). Philadelphia: Elsevier, Limited.   Humphris, D. (2005). Types of evidence. In S. Hamer & G. Collinson (Eds.), Achieving Evidence-Based Practice (pp. 15-40). Philadelphia: Elsevier, Limited.
  • 98. Jeanfreau, S.G. & Jack, L. (2010). Appraising qualitative research in health education: Guidelines for public health educators. Health Promotion Practice, 11, 612-617. Law, M. (2011).Evidence-based practice: Finding and critically reviewing the evidence. Retrieved May 5, 2011 from http://www.otevidence.info/images/FindingReviewing.pdf.   Lin, S.H., Murphy, S.L., & Robinson, J.C. (2010). The Issue is --- Facilitating evidence-based practice: Process, strategies and resources. American Journal of Occupational Therapy, 64, 164-171.   Polgar, J.M. (2003). Critiquing Assessments. In E.B. Crepeau, et. al (Eds.), Willard & Spackman’s Occupational Therapy 10 th Edition (pp. 299-313). Philadelphia: Lippincott, William & Wilkins.   Polgar, S. & Thomas, S.A. (2010). Introduction to Research in the Health Sciences. Singapore: Elsevier, Limited. Richardson, P.K. (2010). Use of Standardized Tests in Pediatric Practice. In J. Case-Smith & J. Clifford O’Brien (Edzs.) Occupational Therapy for Children 6th Edition (pp.216-243). Missouri: Mosby Elsevier.   Rappolt, S. (2003). The role of professional expertise in evidence-based occupational therapy. American Journal of Occupational Therapy, 57, 589- 593.   Sackett, D.L., et.al.(1996). Evidence based medicine: What it is and what it isn’t. British Medical Journal. Retrieved May 5, 2011 from http://www.bmj.com/content/312/7023/71.long.    
  • 99. Tomlin, G. & Borgetto, B. (2011). Research Pyramid: A new evidence-based practice model for occupational therapy. American Journal of Occupational Therapy, 65, 189-196.   What is Plagiarism? Retrieved May 5, 2011 from http://www.plagiarism.org/plag_article_what_is_plagiarism.html.