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And the final speaker at the IAMCR 2025 conference in Singapore for today is Nisha Singh, whose focus is on negative online political advertisements in India, especially in the context of elections. Elections are critical to democratic processes, and enable the people to voice their concerns to politicians; they also educate the public about democratic and political processes and stimulate political discourse.

Advertising has long been central to election processes, but the rise of digital advertising has transformed this, and enabled new campaigning approaches; this is no different in India. The rapid uptake of social media in India has further …

The next presenter in this session at the IAMCR 2025 conference in Singapore is Yujie Zhong, whose interest is in attitudes towards COVID-19 vaccinations. Political ideology influences public confidence in science; media coverage affects this, and the spread of misinformation, not least also via social media, further exacerbates it. This can then lead to substantial public health concerns, like widespread vaccine hesitancy.

Specific factors here may be public confidence in vaccine scientists, satisfaction with public health officials, and concern about false and misleading information. This study explored this through a multi-wave survey of some 10,000 American respondents during the COVID-19 …

The third speaker in this session at the IAMCR 2025 conference in Singapore is Maham Sufi, whose focus is on misinformation and deepfakes in Pakistan. Deepfakes are AI-generated synthetic media, and their realism creates a substantial potential for audiences to be misinformed; however, image manipulation has long been a feature of political misinformation well before the emergence of AI image generation technologies.

Pakistan represents a hybrid regime with weak political parties that rely on the support of other elements of the establishment – not least the military. Image manipulation has a history here, directed at various leading politicians; this has …

The second presenter in this session at the IAMCR 2025 conference in Singapore is Yuheng Wang, whose focus is on war misinformation. This centres especially on perceptions of the Ukraine conflict amongst Chinese Internet users, which have caused substantial splits and controversies.

Misinformation surrounding the war has been widespread, partly because – unusually – there was limited censorship of official information, enabling users to accumulate knowledge and form opinions about the war more freely than is usually the case. Nonetheless, users might also believe misinformation about the war more readily if it aligns with their own political views, and an …

The final session on this second day of the IAMCR 2025 conference in Singapore is on mis- and disinformation, and begins with Chia-Shin Lin. His focus is on misinformation during Taiwanese elections, which he says is prevalent in part due to the ‘funny’ relationship between Taiwan and mainland China. This is part of a broader  ‘China factor’ of political pressure and interference in other countries’ political processes, and similar to the way that Russia and other problematic regimes also interfere elsewhere. How do older Taiwanese voters perceive the circulation of misinformation through instant messaging, then, especially during the 2024 presidential …

The final speaker in this session at the IAMCR 2025 conference in Singapore is my excellent colleague Laura Vodden, presenting on the methodology of our ongoing analysis of climate coverage in the Australian media. This explores patterns of polarisation within journalistic content, but polarisation is not particularly well-defined in the literature, so we have developed the concept of destructive polarisation as an approach to defining when polarisation becomes problematic.

There is no clear information on how polarised the Australian media landscape is. Therefore, this project examines climate change coverage across some 26 Australian news outlets from the mainstream to the …

The next speaker in this session at the IAMCR 2025 conference in Singapore is Nadezhda Ozornina, whose focus is on the use of humorous Internet memes in fighting the climate crisis. Climate change has a comparatively low news value overall, outside of concrete crises, and humour has the potential to break through where news reporting itself does not; how are memes deployed in climate discourse, then?

There is no unified definition of Internet memes, but broadly they contain text, image, and/or video content that reproduce pop-cultural references and require contextual knowledge for a full understanding. Humour has always been present …

The next speaker in this session at the IAMCR 2025 conference in Singapore is Serge Banyongen, whose interest is in political communication and agenda-setting on climate change during the recent Canadian election. Climate change has become an increasingly important political topic in Canada, but this is not always reflected in election results; this is in part because ecological discourse is being cannibalised by economic issues.

This study approaches the debate through a production, process, and perception triangulation, analysing political discourse, media content, and voter responses. This builds on framing theory, agenda-setting theory, issue attention theory, and issue voting theory.

Pre-election …

I’m a little late to the post-lunch session at the IAMCR 2025 conference in Singapore, which has started with Ana Margarida Barreto’s paper on discussions of climate change on eleven Portuguese parties’ Facebook pages. They investigated the presence of various climate change-related topics on those pages.

Two broadly green parties talked about climate change considerably more than any of the others; though during the election all other parties also talk somewhat more about climate change. Most parties share a substantial number of images and videos, though the far-right populist Chega party exclusively shared links and no audiovisual content.

Minor and …

And the final speaker in this entertaining session at the IAMCR 2025 conference in Singapore is Junbin Su, whose interest is in algorithmic gatekeeping in AI news recommendations. What values guide such gatekeeping decisions?

Conventional journalistic gatekeeping reflects editorial decisions about news values, and a number of competing lists of such news values have been proposed over the decades. Algorithmic gatekeeping may build on these values, or introduce others – not least also linked to platform metrics like user engagement or shareworthiness. This might under- or overemphasise certain news values.

This study explored this by identifying some 100 news recommender …