ABSTRACT. The mass media has ensured that the challenging and complex phenomenon of climate change now has the household familiarity of a brand name. But what is it that is understood by climate change, and by whom? What frame of reference is drawn upon to communicate meaningfully about climate change? Do particular subgroups within our society hold different understandings, or have the debate and the prolific dissemination of information about this issue coalesced around a core perception or image of what climate change is? To answer these questions, we conceptualized climate change within the theory of social representations as emergent socially constructed knowledge. We analyzed word association data collected in Australia from persons identifying as having a scientific, government, or general public background (N = 3300). All respondents were asked to write the first words that came to mind when they thought about climate change. Comparative analyses of the word associations reveal that respondents from different backgrounds define climate change in different ways. The results suggest that there is a common core set of concepts shared by the different groups, but there are also a great many differences in how climate change is framed and conceived by respondents. The results are discussed in relation to what they imply for responses to climate change by these social groups and in relation to interventions designed to encourage climate adaptation.
Sex perceptions, or more particularly, sex discriminations and sex categorisations, are high-value social behaviours. They mediate almost all inter-personal interactions. The two experiments reported here had the aim of exploring some of the basic characteristics of the processes giving rise to sex perceptions. Experiment 1 confirmed that human hands can be used as a cue to an individual’s sex even when colour and texture cues are removed and presentations are brief. Experiment 1 also showed that when hands are sexually ambiguous observers tend to classify them as male more often than female. Experiment 2 showed that “male bias” arises not from sensitivity differences but from differences in response biases. Observers are conservative in their judgements of targets as female but liberal in their judgements of targets as male. These data, combined with earlier reports, suggest the existence of a sex-perception space that is cue-invariant.
Water shortages in Australia have highlighted an urgent need for alternative water sources, and technologically, water recycling is argued to offer the most cost-effective, environmentally sustainable solution to these shortages. Yet public support for its implementation is low even in the drought-stricken areas of Australia. Drawing from the theory of social representations, this study addressed community perceptions of water recycling. Three interrelated methodologies were employed in a self-report questionnaire. Individual difference scaling/multidimensional scaling analyses of three word association tasks revealed that the emergent social representation of water recycling was contradictory in affect. Normative responses indicated an awareness of the need to use recycled water whereas the functional responses were associated with a fear of contamination. An analysis of differential use scales further revealed that the perception of contagion was specific to when recycled water had contact with the body. The discursive analysis of respondents' comments expanded on both these findings. The study identified the themata of purity/impurity as underpinning the social understanding of water recycling. Copyright # 2011 John Wiley & Sons, Ltd.Key words: water recycling; social representations; contagion; themata; contradiction; Australia; sustainability Water use and sustainability are at the forefront of political and social importance in Australia, where the naturally dry climate has a severe impact on water use. With an increasing population and predictions of fluctuations in rainfall due to climate change, incorporating alternative water sources into mainstream water supplies has garnered social and political attention. Of the many alternatives that have been proposed, such as desalination plants, household rainwater tanks and water recycling, it is the latter, water recycling, which is considered to offer the most cost-effective, environmentally sound and
Johansson (1973 Perception & Psychophysics 14 201-211) suggested that point-light displays that are static -- so-called 'snapshots' -- contain little or no information about the actor or their action. Here we present data that suggest even naive observers can perceive such information from static point-light arrays. Observers were able, at rates better than chance, to discriminate the directions of facing of sagittally viewed static point-light walkers. The data show also that, without feedback, performances improved with experience. Our data have implications for assumptions made in designing experiments with point-light displays and for models of the neural mechanisms mediating biological motion perceptions.
Visually judging the sex of another can be achieved easily in most social encounters. When the signals that inform such judgements are weak (e.g. outdoors at night), observers tend to expect the presence of males–an expectation that may facilitate survival-critical decisions under uncertainty. The present aim was to examine whether this male bias depends on expertise. To that end, Caucasian and Asian observers targeted female and male hand images that were either the same or different to the observers’ race (i.e. long term experience was varied) while concurrently, the proportion of targets changed across presentation blocks (i.e. short term experience change). It was thus found that: (i) observers of own-race stimuli were more likely to report the presence of males and absence of females, however (ii) observers of other-race stimuli–while still tending to accept stimuli as male–were not prone to rejecting female cues. Finally, (iii) male-biased measures did not track the relative frequency of targets or lures, disputing the notion that male bias derives from prior expectation about the number of male exemplars in a set. Findings are discussed in concert with the pan-stimulus model of human sex perception.
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