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. 2015 Nov 30;17:467. doi: 10.1007/s11051-015-3270-4

Table 4.

Quality appraisal of quantitative studies

Study Was a survey appropriate for the aim? What was the response rate? Is the sample representative of the population? Are the measures reported objective and reliable? Was there a justification of the sample size? Were appropriate statistical analyses performed? Was there evidence of any other bias?
Surveys
 Arnold (2014) Yes Unclear Unclear Unclear No Unclear Unclear
 Besley et al. (2008) Yes 32.3 % No Unclear No Yes Yes
 Capon et al. (2015) Yes 19–48 % Unclear Yes Yes Yes Yes
 Cobb and Macoubrie (2004) Yes 38–48 % Unclear Unclear Unclear Yes No
 Conti et al. (2011) Yes 51.9 % Unclear Unclear Unclear Unclear Unclear
 Cook and Fairweather (2007) Yes 29.6 % No Yes No Yes No
 Farshchi et al. (2011) Yes Unclear Yes Yes Unclear Yes Unclear
 Groves (2013) Yes 71 % No Unclear No Yes Unclear
 Gupta et al. (2013) Yes 32 % Unclear Unclear No Yes Unclear
Schnettler et al. (2013a, b) Yes Unclear Unclear Unclear Yes Yes Unclear
Schnettler et al. (2013a, b) neophobia Yes 68 % No Yes Yes Yes Yes
Schnettler et al. (2014) Yes Unclear No Yes Yes Yes Yes
Siegrist et al. (2007) Yes Unclear No Unclear No Yes Unclear
Siegrist et al. (2008) Yes 28 % Unclear Unclear No Yes Unclear
Siegrist et al. (2009) Yes 43 % Unclear Yes No Yes Yes
Stampfli et al. (2010) Yes 41 % Unclear Unclear Unclear Yes No
Suhaimee et al. (2014) Yes Unclear Unclear Unclear No Yes Yes
Yue et al. (2015a, b) Yes 86 % No Yes No Yes Unclear
Experiments
 Bieberstein et al. (2013) Yes Unclear Yes Unclear Unclear Yes No
 Marette et al. (2009) Yes Unclear Yes Unclear Unclear Yes No
 Roosen et al. (2011) Yes Unclear Yes Unclear Unclear Yes No
Conjoint analysis
 Casolani et al. (2015) Yes Unclear Yes Yes No Yes Yes
 Yue et al. (2015a, b) Yes 97.5 % Yes Yes No Yes Unclear
Mixed methods
 Handford et al. (2015) Yes 8.67 % Yes Yes Yes Yes Unclear
 Roosen et al. (2015) Yes Unclear Unclear Yes No Yes Unclear
Simons et al. (2009) Yes Unclear Yes Unclear No Unclear Unclear
 Yawson and Kuzma (2010) Yes 30 % Unclear Unclear No Unclear Unclear