Worksheet
 
Yes  
 
Can't Determine  
 
No  
 
NA  
1. Would implementing the studied intervention or procedure (if found successful) result in improved outcomes for the patients/clients/population group? (Not Applicable for some epidemiological studies)
   
2. Did the authors study an outcome (dependent variable) or topic that the patients/clients/population group would care about?
   
3. Is the focus of the intervention or procedure (independent variable) or topic of study a common issue of concern to nutrition or dietetics practice?
   
4. Is the intervention or procedure feasible? (NA for some epidemiological studies)
   
1. Was the research question clearly stated?
 
2. Was the selection of study subjects/patients free from bias?
 
3. Were study groups comparable?
   
4. Was method of handling withdrawals described?
 
5. Was blinding used to prevent introduction of bias?
   
6. Were intervention/therapeutic regimens/exposure factor or procedure and any comparison(s) described in detail? Were interveningfactors described?
 
7. Were outcomes clearly defined and the measurements valid and reliable?
 
8. Was the statistical analysis appropriate for the study design and type of outcome indicators?
 
9. Are conclusions supported by results with biases and limitations taken into consideration?
 
10. Is bias due to study’s funding or sponsorship unlikely?
 
 
Research Design and Implementation: Primary Research
  Crossman et al. 2006 Merten et al 2009 Niemeier et al 2006 Nooyens et al 2005 Purslow LR, Sandhu MS et al, 2008 van der Heijden AA, Hu FB et al, 2007
Overall Quality Rating Positive Positive Positive Positive Positive Positive
Relevance Questions
1. Would implementing the studied intervention or procedure (if found successful) result in improved outcomes for the patients/clients/population group? (Not Applicable for some epidemiological studies)
Yes
 
N/A
 
Yes
 
N/A
 
N/A
 
Yes
 
2. Did the authors study an outcome (dependent variable) or topic that the patients/clients/population group would care about?
Yes
 
Yes
 
Yes
 
Yes
 
N/A
 
Yes
 
3. Is the focus of the intervention or procedure (independent variable) or topic of study a common issue of concern to nutrition or dietetics practice?
Yes
 
Yes
 
Yes
 
Yes
 
N/A
 
Yes
 
4. Is the intervention or procedure feasible? (NA for some epidemiological studies)
Yes
 
Yes
 
Yes
 
N/A
 
N/A
 
Yes
 
 
Validity Questions
1. Was the research question clearly stated?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
2. Was the selection of study subjects/patients free from bias?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
3. Were study groups comparable?
Yes
 
N/A
 
N/A
 
Yes
 
Yes
 
Yes
 
4. Was method of handling withdrawals described?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
5. Was blinding used to prevent introduction of bias?
No
 
No
 
Yes
 
Yes
 
Yes
 
Yes
 
6. Were intervention/therapeutic regimens/exposure factor or procedure and any comparison(s) described in detail? Were interveningfactors described?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
7. Were outcomes clearly defined and the measurements valid and reliable?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
8. Was the statistical analysis appropriate for the study design and type of outcome indicators?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
9. Are conclusions supported by results with biases and limitations taken into consideration?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
10. Is bias due to study’s funding or sponsorship unlikely?
Yes
 
Yes
 
Yes
 
Yes
 
Yes
 
Yes