Halo effect investigation

Ayush K.

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Halo effect investigation

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Themes

Ethical considerations, control variables, material, modification, sample, research design, inferential statistic, descriptive statistic, procedure, sampling, halo effect, Edward Thorndike, high school students, Man Whitney U test, expectancy effect, IB curriculum

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Abstract

This is an investigation into how the halo effect affects an individual's perception towards people. The human schema is influenced by several factors that change the way humans perceive situations. In other words, it causes cognitive bias. The halo effect revolves around this concept. The halo effect, sometimes referred to as the "physical attractiveness stereotype", was first introduced by psychologist Edward Thorndike (Cherry, 2020). This effect explains how the impression we form about a certain individual, changes how we feel about them and perceive their character.

Introduction
1. Aim
2. Hypothesis
Exploration
1. Research design
2. Sampling and sample
3. Materials
4. Ethical considerations
5. Control variables
6. Procedure
Analysis
1. Descriptive statistics
2. Inferential statistics
Evaluation
1. Research design
2. Sample
3. Procedure
4. Materials
5. Modifications

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[...] The mean was calculated to infer how different the ratings of attractiveness of the teachers were on average. Group A has a mean of 2.5 whereas group B has a mean of 4.7, this shows us that group B had an overall higher mean meaning the participants rated the teacher higher than group A wherein the ratings for the teacher were low. This shows that the demeanor did impact the attractiveness rating given by high school students, this is in line with the research hypothesis, however whether this difference is significant or not can only be determined after applying inferential statistics. [...]

[...] 4.1 Research Design: The participants were divided into two groups by a random number generator which ensured random allocation and the possibility of a bias was eliminated. A strength we can deduce of the design is the use of an independent samples design, due to this the participants were exposed to only one of the independent variables which ensured that they were not able to guess the aim of the study which also eliminated the possibility of demand characteristics leading to the expectancy effect. [...]

[...] The results of the study will help us investigate the halo effect and its presence in adolescence. If there are any concerns regarding ethical considerations, confidentiality or anonymity, or if anyone wishes their results be withdrawn from the experiment, please contact us at or or The aforementioned contact details can also be used if anyone has any further queries regarding the study. Once again we would like to thank you for taking time out and participating in our study. [...]

[...] (n.d.). System 1 and System 2 thinking. System 1 and System 2 Thinking The Marketing Society. Retrieved April from http://www.marketingsociety.com/think-piece/system-1-and-system-2-thinking (Date Accessed - 07/11/21) 3. Cherry, K. (2020, July 19). How cognitive biases influence how you think and Act. Verywell Mind. Retrieved April from http://www.verywellmind.com/what-is-a-cognitive-bias-2794963 (Date Accessed - 09/11/21) 4. [...]

[...] The researcher's aim was to address, investigate and come to a conclusion about the awareness people have regarding the halo effect. They chose college students as participants for their experiment, the participants were split into two groups. The students in the first group were shown a video of an instructor that presented himself as likeable and in the other group the video played had the same instructor that presented himself in an unlikable manner. The participants were asked to rate the instructor on various parameters using a 8-point Likert scale. [...]

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