“…The second part of the questionnaire consisted of 5‐point Likert scales (1 = strongly disagree and 5 = strongly agree) for the measurement of denial mechanisms, personal norm and subjective knowledge. Since no comprehensive instrument was found for measuring usage of psychological denial mechanism, scales were developed adopting items from various research (Alcock et al, ; Clark, Kotchen, & Moore, ; Dunlap, Liere, Mertig, & Jones, ; Ellen et al, ; Kaiser & Shimoda, ; Kilbourne, Beckmann, & Thelen, ; Mccright & Dunlap, ; Pereira Heath & Chatzidakis, ; Steg et al, ; Webster, ). Six items were adopted from previous studies (Steg et al, ; Zhang, Wang, & Zhou, ) to measure personal norms.…”