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Besides others, subjective knowledge -- the feeling of being knowledgeable -- as well as the complexity of a communicated content have been shown to have an impact on different behavioral outcomes -- also in the field of consumer choices. However, it remains open how both factors influence subsequent outcomes such as information seeking, behavioral intentions, or actual choice behavior -- especially related to environmental issues. With a 2 (high/low subjective knowledge) x 2 (high/low complex information) between-subjects design (N = 87), we investigated the effects of subjective knowledge and complexity of an online news text about a specific environmental topic (i.e., palm oil) on behavioral intentions, online information seeking as well as on behavioral choices. Higher subjective knowledge raised the probability to volunteer for an NGO and the duration of time spent on a palm oil-related webpage. Environmental attitudes determined the general likelihood to engage in palm oil-related web search and the number of webpages visited. Text complexity did not influence the target variables. [ABSTRACT FROM AUTHOR]

As the Internet provides massive amounts of heterogeneous information, people may perceive this medium as challenging. The difficulty to evaluate and select relevant information increases as more and more diverse sources and content are available. Information overload (IO) may be the consequence. The research presented here gives a first comprehensive overview of possible indicators for IO in the context of online news exposure. Based on an online survey (N=419), we found that younger people with less information-seeking self-efficacy were more susceptible to experience IO. Additionally, we identified motivations for media consumption and information retrieval strategies in the Internet that imply IO. With our results, we contribute to a further understanding of IO and provide an important basis for future research needed to face the challenges resulting from the rising media diversity. [ABSTRACT FROM AUTHOR]