A Research Study On Birth Order, And Intelligence

787 Words Dec 16th, 2015 4 Pages
Distinguishing its study from previous research Marini and Kurtz (2011) intended on possessing the advantages of conducting the largest sample size, having access to background measures, focuses on birth order, and intelligence. Researchers proposed that Sulloway’s predicted outcomes on the personality traits regarding first born and later born children will be displayed. For instance, first born children will exhibit characteristics high in Conscientiousness and Neuroticism, whereas later borns will score high in Extraversion and Agreeableness. In addition, first borns are predicted to score higher on intelligence measure than elder siblings. Researchers used data from Project Talent, a sample a 440,000 students from high school administered several personality and intelligence assessments. A Project Talent Personality Inventory, Mature Personality Scale, Culture Scale, Leadership Scale, and Tidiness Scale were administered to measure personality and intelligence. Participants were told to identify the number of siblings and to classify each sibling. For instance, biological, half, step, or foster siblings. To measure family background participants identified caregivers and general demographic information. Results indicated first borns children scored high in Neuroticism, Conscientiousness, and Agreeableness. While later born children scored high on Extraversion and Openness to Experience. In addition, findings concluded that first born children display a higher…
Open Document