Free Essay Sample: Birth Order and Personality

Published: 2023-01-23
Free Essay Sample: Birth Order and Personality
Type of paper:  Essay
Categories:  Anthropology Intelligence Family Personality Human development
Pages: 2
Wordcount: 421 words
4 min read

The debate of a person's position among the sibling may have a lasting impact on personality. Rohrer, Egloff & Schmukle (2015) in their research examined the empirical findings of how birth order influences a person's intelligence. The other research tests disclosed that intelligence declined from firstborns to the lastborns. While the findings on the effects of birth order on personality are not conclusive, but through this research, a substantive approach was initiated.

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Rohrer et al., (2015) tapped on data from the United States (5,240), Great Britain (4,480) and Germany (10,457) to respond to the open research question. The research findings revealed a decline of intelligence on the basis of birth order position. On the other hand, the birth-order position did not have any psychological effects like emotional stability, extraversion, imaginations or consciousness.

A mediation variable is a mechanism or organism that interposes a stimulus and also a response. The process happens between the predictor input and also the output response depicts the mediating characteristics. However, Baron and Kenny (1986) suggest that a causal approach is used to determine the mediation requirements to manipulate the results. The three stages comprise; eliminating the variable under a particular process. The second and third stages are; direct variable relationship pitting the independent in addition to the dependent variable. Lastly, the statistical importance, between the forecaster and the final variable (Fiedler, & Sivo, 2015).

The research follows Barron and Kenny's three-staged processes. For instance, the research eliminates one variable; the impact of birth order on intelligence. The researchers focus on the impact of birth order on personality and use data collected from three nations to examine the research question. The peer-reviewed article uses empirical evidence to conclude; birth position order among sibling does not have a psychological effect on the life of a person.


Baron, R. M., & Kenny, D. A. (1986). The Moderator-Mediator Variable Distinction in Social Psychological Research: Conceptual, Strategic, and Statistical Considerations. Journal of Personality and Social Psychology, 51(6), 1173. Retrieved from

Fiedler, B. A., & Sivo, S. A. (2015). Testing Baron and Kenny's Preliminary Conditions for Mediating or Moderating Variables in Structural Equation Modeling. Advances in Social Sciences Research Journal, 2(8), 23-42. Retrieved from's_preliminary_conditions_for_mediating_or_moderating_variables_in_Structural_Equation_Modeling/download

Rohrer, J. M., Egloff, B., & Schmukle, S. C. (2015). Examining the Effects of Birth Order on Personality. Proceedings of the National Academy of Sciences. Retrieved from

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