LibGuides: Psychology: Levels of Evidence

Levels of Evidence

In this video, you will learn about the levels of evidence associated with the EBP Triangle, understand how each level indicates a different standard of quality, and use this information to determine what type of evidence you are seeking.

EBP Pyramid

Filtered Resources

Systematic Reviews/Meta-Analyses

Cochrane Library This link opens in a new window
Subjects: Audiology | Communication Sciences and Disorders | Counseling | Dental Hygiene | Nutrition and Dietetics | Emergency Services | Evidence Based Medicine | Health Care Administration | Health Sciences | Medical Laboratory Science | Nursing | Occupational Therapy | Paramedic Science | Pharmacy | Physical Therapy | Physician Assistant | Psychology | Public Health | Radiographic Science | Social Work | Special Education | Speech Language Pathology | Sport Science
Funded by ISU Libraries
Joanna Briggs Institute This link opens in a new window
The Joanna Briggs Institute focuses on evidence-based information specific to nursing and allied health.
PubMed This link opens in a new window
Systematic reviews and meta-analyses can be searched in PubMed by selecting the 'Publication Type' filter, and then looking for those two specific types of publications.
CINAHL Complete This link opens in a new window
CINAHL can be used to find systematic reviews and meta-analyses by going to the 'Publication Type' box under 'Limit Your Results'. You can then choose either meta-analysis or systematic review.
ClinicalKey This link opens in a new window
Perform an initial search in Clinical Key, and then look for the 'Study Type' tab at the top. You can select meta-analysis or systematic review.

Critically Appraised Topics

ECRI Guidelines Trust This link opens in a new window
Clinical Guidelines. Subjects: Psychology, Dietetics, Health Care Admininstration, Medical Laboratory Science, Nursing, Occupational Therapy, Physical Therapy, Physician Assistant Program, Public Health, Radiographic Science, Audiology, Evidence Based Nursing, Speech Language Pathology
Previously funded by US Government
Now provided for free by ECRI
UpToDate This link opens in a new window
UpToDate provides an overview of thousands of conditions, diseases, medications, etc. written by experts in the field.
Account creation is required for first-time users and must be renewed once every 90 days.
PubMed This link opens in a new window
Enter your search terms; Under the "Article Type" filter, click on 'Customize'; Select "Guidelines".
CINAHL Complete This link opens in a new window
Enter your search term(s). Scroll down to the 'Limit Your Results' section. In the Publication Type box select 'Practice Guidelines'. Click Search.
ClinicalKey This link opens in a new window
Run your search, and look for the 'Content Type' on the top. Select 'First Consult' and 'Guidelines'.

Critically Appraised Individual Articles

ACP Journal Club
The editors of this journal screen the top 100+ clinical journals and identify studies that are methodologically sound and clinically relevant. An enhanced abstract, with conclusions clearly stated, and a commentary are provided for each selected article. Published by the American College of Physicians-American Society of Internal Medicine.

Unfiltered Resources

Just because these sources are unfiltered, it doesn't mean they lack value in your search. Just be aware that YOU are the one doing the appraising.

PubMed This link opens in a new window
Subjects: General Health Sciences.
Funded by US Government
CINAHL Complete This link opens in a new window
Subjects: Audiology | Communication Sciences and Disorders | Counseling | Dance | Dental Hygiene | Nutrition and Dietetics | Education | Education of the Deaf | Emergency Services | Evidence Based Medicine | Health Care Administration | Health Sciences | Medical Laboratory Science | Nursing | Occupational Therapy | Paramedic Science | Pharmacy | Physical Education | Physical Therapy | Physician Assistant | Psychology | Public Health | Radiographic Science | Sign Language Interpreting | Social Work| Special Education | Speech Language Pathology | Sport Science
Funded by ISU Libraries
Web of Science This link opens in a new window
Subject: General
Funded by ISU Libraries
Google Scholar This link opens in a new window
Subjects: General
Free

Background Information

Textbooks are one of the best sources for background information. The library has thousands of e-books that can help you!

ClinicalKey This link opens in a new window
Clinical Key has more than 1,000 full-text textbooks. Run your search, and then select Books in the Source type box.
Books@Ovid This link opens in a new window
Subjects: General, Multidisciplinary

Ebsco Health e-Books
A collection of over 4000 health and medical ebooks.

EBP eBooks

Users' Guides to the Medical Literature by Gordon Guyatt
Publication Date: 2008
Evaluating Research for Evidence-Based Nursing Practice by Fawcett
Publication Date: 2009
Evidence Synthesis for Decision Making in Healthcare by Alexander J. Sutton
Publication Date: 2012
How to Read a Paper by Trisha Greenhalgh
Publication Date: 2014
The Philosophy of Evidence-Based Medicine by Jeremy H. Howick
Publication Date: 2011
Searching Skills Toolkit by Caroline De Brún
Publication Date: 2013

eBook Collections

The Library orders online books through several different sources. Browse categories or search for specific titles by looking through the links below.

ClinicalKey This link opens in a new window Subjects: Audiology | Communication Sciences and Disorders | Consumer Health | Counseling | Dental Hygiene | Nutrition and Dietetics | Education of the Deaf | Emergency Services | Evidence Based Medicine | Health Care Administration | Health Sciences | Medical Laboratory Science | Nursing | Occupational Therapy | Paramedic Science | Pharmacy | Physical Education | Physical Therapy | Physician Assistant | Psychology | Public Health | Radiographic Science | Sign Language Interpreting | Social Work | Special Education | Speech Language Pathology | Sport Science Funded by ISU Libraries
Doody's Core Collection This link opens in a new window Subjects: Audiology; Communication Sciences and Disorders; Nutrition and Dietetics; Emergency Services; Evidence Based Medicine; Health Sciences; Medical Laboratory Science; Nursing; Occupational Therapy; Paramedic Science; Pharmacy; Physical Therapy; Physician Assistant; Psychology; Radiographic Science; Sport Science Funded by ISU Libraries

Ebrary

eBook Collection (EBSCOhost) This link opens in a new window Subjects: General Funded by ISU Libraries