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This thesis investigates the effect choice options in e-commerce applications have on consumers’ decision making. Previous research showed that a large number of options
can affect consumers negatively. However, the conditions for such choice overload are unclear. After reviewing the existing research, the amount of information (entropy)
contained in a choice set and individual differences were determined as possible influencing factors in an online environment. In a choice experiment, choice sets with
varying information loads and an assessment of the Big Five personality traits were used to test the impact of the two identified factors on choice avoidance behavior. Results from chi-square-tests and a logistic regression model suggest choice overload but without entropy having an effect. A logistic regression model revealed that extraverted consumers are easier overloaded. A low Neuroticism score was found to be related to less occurrence of a too-much-choice-effect. Consumers with a high Openness score on the other hand choose one of the presented options more often and were therefore less often
overwhelmed by the assortment. An interaction effect between personality and the amount of entropy was not found. These findings extend the research on choice overload and offer valuable input for marketers targeting consumers online.
The world is constantly changing, and cosmetic companies need to adapt to these changes to survive. In particular, cosmetic companies should not underestimate changes in how customers value information from different sources because proper marketing can lead to increased sales. Therefore, this thesis aims to determine which information sources customers of Generation Y are using and how they weight the information from these different sources. A survey was conducted with people of Generation Y to answer the research question. The survey showed that the most frequently used and highest weighted sources for getting information are search engines, friends and family, and product ratings. Furthermore, the results indicate that information gathered from offline sources has a more significant impact on purchase behavior than information gathered from online sources. Potential customers using search engines are more likely to buy a product online. However, the price of a product does not influence how consumers weight the opinions of friends and family, and age does not impact the weighting of social media or the total number of sources a customer uses. To conclude, a company should not ignore the importance of offline information sources because the data shows that offline sources significantly impact buying behavior. They should also aim to have their online shop appear as one of the top search engine results because this will impact the likelihood that customers visit their websites and buy their products.