The six PSICHE dimensions
| Dimensions | Description | Key constructs | Related thematic clusters | Main empirical studies |
|---|---|---|---|---|
| Product-related factors | Attitude towards GPB or the product is widely examined as it is often reported as the most significant predictor of purchase intentions. Product-related attitudes can be linked to its value dimensions and related beliefs, with the effect of brand, category and situational factors (e.g. purchasing barriers) still playing a somewhat unexplored role, in the consumer decision process | Product knowledge, green trust, brand, product category (e.g. type/role, involvement), perceptions on consumption value (e.g. functional/quality, emotional, social) and risks/barriers (e.g. social risks, price, inconveniences) | 4, 5, 7, 9 | Ahmad and Zhang (2020), Biswas and Roy (2015a, b), Cerri et al. (2018), González-Rodríguez et al. (2020), Khan and Mohsin (2017), Kim and Park (2017), Luchs and Kumar (2017), McLeay et al. (2018), Park and Lin (2020), Rausch and Kopplin (2021), Singh and Verma (2017), Suki (2016), Vicente-Molina et al. (2013), Yadav et al. (2019), Zhang et al. (2020) |
| Social influence | The social context is, for a large community of scholars, the main route for influencing sustainable behaviors, as consumers are continuously impacted by others' attitudes and expectations. The social context mirrors one's social self-identity, so the perceived pressure to comply with social rules of conduct is the most frequently examined influencing factor for PEB and GPB | Social/subjective norms (e.g. descriptive, injunctive, normative goals), green social identity | 1, 8 | Hansmann et al. (2020), Jansson et al. (2017), Kim and Seock (2019), Laureti and Benedetti (2018), Lee et al. (2015), Liobikienė et al. (2017), Minton et al. (2018), Moon (2021), Olya et al. (2019), Untaru et al. (2016) |
| Individual factors | Factors linked to the individual self can exert a powerful influence over sustainable consumption outcomes, with antecedent, mediating and moderator roles. Personal and cultural values provide guiding principles influencing how people process (and react to) social stimuli and situational cues, by instance, while personal norms are play a key role in driving behaviors, according to both NAM and VBN frameworks | Personal values (e.g. environmental/biospheric, altruistic, egoistic), green self-identity/self-concept, cultural dimensions (individual-level), personal moral norms, perceived self-efficacy, consumption gain goals | 1, 2, 5 | Ahmad et al. (2020), al Mamun et al. (2018), Barbarossa and de Pelsmacker (2016), Choi et al. (2015), Chowdhury (2017), Eid et al. (2021), Felix and Braunsberger (2016), Filimonau et al. (2018), Hartmann et al. (2018), Hosta and Zabkar (2021), Yin et al. (2018) |
| Concerns about the environment | The extent to which consumers are aware and care about environmental issues, as well as feel responsible towards solving them is shown to affect significantly GPB in multiple behavioral categories | Awareness of consequences, environmental knowledge/beliefs, attitudes and concerns | 3, 4, 9 | Chen and Tung (2014), Goh and Balaji (2016), González-Rodríguez et al. (2020), Jaiswal and Kant (2018), Kanchanapibul et al. (2014), Kim and Han (2010), Kumar et al. (2017, 2021), Ritter et al. (2015), Shin et al. (2018), Sun et al. (2019), Yadav and Pathak (2016) |
| Habits | Evidence suggests that the existence of PEB habits in a given context, may increase the perceived self-efficacy, ability and willingness to perform green choices in other contexts. The gap between household routines and out-of-home/hedonic habits is of particular concern for services and sustainable tourism settings | Cross-category spill over (e.g. from private to public sphere, from domestic to traveling context), past behavior, recent behavior | 8 | Aboelmaged (2021), Han and Yoon (2015) |
| Emotions | Anticipated affects are under-studied construct in the context of green products but have been shown to play a determinant role in the contexts of green services and ethical consumption investigations, according to MGB, NAM and other theoretical frameworks. Consumer feelings may be a basic response to stimuli, or involve some sort of mental processing related, per example, with the projected self-image or the moral evaluation of an entity's environmental practices | Positive and negative anticipated emotions or affective beliefs, environmental concerns and sensitivity | 6 | Amatulli et al. (2019), Antonetti and Maklan (2014), Han et al. (2017), Hwang et al. (2019), Kim et al. (2013), Liang et al. (2019), Odou and Schill (2020), Spielmann (2021) |
| Dimensions | Description | Key constructs | Related thematic clusters | Main empirical studies |
|---|---|---|---|---|
| Product-related factors | Attitude towards GPB or the product is widely examined as it is often reported as the most significant predictor of purchase intentions. Product-related attitudes can be linked to its value dimensions and related beliefs, with the effect of brand, category and situational factors (e.g. purchasing barriers) still playing a somewhat unexplored role, in the consumer decision process | Product knowledge, green trust, brand, product category (e.g. type/role, involvement), perceptions on consumption value (e.g. functional/quality, emotional, social) and risks/barriers (e.g. social risks, price, inconveniences) | 4, 5, 7, 9 | |
| Social influence | The social context is, for a large community of scholars, the main route for influencing sustainable behaviors, as consumers are continuously impacted by others' attitudes and expectations. The social context mirrors one's social self-identity, so the perceived pressure to comply with social rules of conduct is the most frequently examined influencing factor for PEB and GPB | Social/subjective norms (e.g. descriptive, injunctive, normative goals), green social identity | 1, 8 | |
| Individual factors | Factors linked to the individual self can exert a powerful influence over sustainable consumption outcomes, with antecedent, mediating and moderator roles. Personal and cultural values provide guiding principles influencing how people process (and react to) social stimuli and situational cues, by instance, while personal norms are play a key role in driving behaviors, according to both NAM and VBN frameworks | Personal values (e.g. environmental/biospheric, altruistic, egoistic), green self-identity/self-concept, cultural dimensions (individual-level), personal moral norms, perceived self-efficacy, consumption gain goals | 1, 2, 5 | |
| Concerns about the environment | The extent to which consumers are aware and care about environmental issues, as well as feel responsible towards solving them is shown to affect significantly GPB in multiple behavioral categories | Awareness of consequences, environmental knowledge/beliefs, attitudes and concerns | 3, 4, 9 | |
| Habits | Evidence suggests that the existence of PEB habits in a given context, may increase the perceived self-efficacy, ability and willingness to perform green choices in other contexts. The gap between household routines and out-of-home/hedonic habits is of particular concern for services and sustainable tourism settings | Cross-category spill over (e.g. from private to public sphere, from domestic to traveling context), past behavior, recent behavior | 8 | |
| Emotions | Anticipated affects are under-studied construct in the context of green products but have been shown to play a determinant role in the contexts of green services and ethical consumption investigations, according to MGB, NAM and other theoretical frameworks. Consumer feelings may be a basic response to stimuli, or involve some sort of mental processing related, per example, with the projected self-image or the moral evaluation of an entity's environmental practices | Positive and negative anticipated emotions or affective beliefs, environmental concerns and sensitivity | 6 |
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