The purpose of this exploratory investigation was to determine whether birth order has an effect on intelligence. Seventy-four undergraduate students from Rowan University participated in my study. During class-time, I handed out a questionnaire with questions pertaining to the student's birth order within their family and SAT scores. The SAT scores served as a measure of intelligence. The SAT scores were broken into seven different ranges, between 800 - 1400 & above. The birth order variable was broken down into four levels; firstborn, middle child, youngest and only child. The different levels of birth order and SAT scores were compared to see if significant difference existed between the two variables. The Kruskal-Wallis test, a non-parametric one-way analysis of variance, was used to determine if a significant difference existed between intelligence and birth order. This test found that there was a significant difference found when comparing the different variables of birth order and intelligence.
","abstract_html":"<p>The purpose of this exploratory investigation was to determine whether birth order has an effect on intelligence. Seventy-four undergraduate students from Rowan University participated in my study. During class-time, I handed out a questionnaire with questions pertaining to the student's birth order within their family and SAT scores. The SAT scores served as a measure of intelligence. The SAT scores were broken into seven different ranges, between 800 - 1400 & above. The birth order variable was broken down into four levels; firstborn, middle child, youngest and only child. The different levels of birth order and SAT scores were compared to see if significant difference existed between the two variables. The Kruskal-Wallis test, a non-parametric one-way analysis of variance, was used to determine if a significant difference existed between intelligence and birth order. This test found that there was a significant difference found when comparing the different variables of birth order and intelligence.</p>","abstract_has_math":false,"creators":["Lambert, Carolyn M."],"institution":null,"degree_name":"M.A. in School Psychology","degree_level":"Thesis","degree_discipline":"Educational Services and Leadership","degree_department":null,"school":null,"contributors":["Dihoff, Roberta","Klanderman, John"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2005,"date_issued":"2005-05-03T07:00:00Z","date_published":"2005-05-03T07:00:00Z","updated_at":"2026-07-24T04:13:52Z","subjects":["Birth order; Educational psychology--New Jersey","Educational Psychology"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://rdw.rowan.edu/etd/1023","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Dihoff, Roberta","Klanderman, John"]},{"key":"dc:creator","label":"Author","values":["Lambert, Carolyn M."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2016-04-13T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Educational Services and Leadership"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.A. in School Psychology"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Birth order; Educational psychology--New Jersey","Educational Psychology"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://rdw.rowan.edu/etd/1023"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The purpose of this exploratory investigation was to determine whether birth order has an effect on intelligence. Seventy-four undergraduate students from Rowan University participated in my study. During class-time, I handed out a questionnaire with questions pertaining to the student's birth order within their family and SAT scores. The SAT scores served as a measure of intelligence. The SAT scores were broken into seven different ranges, between 800 - 1400 & above. The birth order variable was broken down into four levels; firstborn, middle child, youngest and only child. The different levels of birth order and SAT scores were compared to see if significant difference existed between the two variables. The Kruskal-Wallis test, a non-parametric one-way analysis of variance, was used to determine if a significant difference existed between intelligence and birth order. This test found that there was a significant difference found when comparing the different variables of birth order and intelligence.
"]},{"key":"dc:title","label":"Title","values":["Does birth order affect intelligence?"]}]}],"canonical_facts":{"dc:contributor":["Dihoff, Roberta","Klanderman, John"],"dc:creator":["Lambert, Carolyn M."],"dc:date.available":["2016-04-13T07:00:00Z"],"dc:description.abstract":["The purpose of this exploratory investigation was to determine whether birth order has an effect on intelligence. Seventy-four undergraduate students from Rowan University participated in my study. During class-time, I handed out a questionnaire with questions pertaining to the student's birth order within their family and SAT scores. The SAT scores served as a measure of intelligence. The SAT scores were broken into seven different ranges, between 800 - 1400 & above. The birth order variable was broken down into four levels; firstborn, middle child, youngest and only child. The different levels of birth order and SAT scores were compared to see if significant difference existed between the two variables. The Kruskal-Wallis test, a non-parametric one-way analysis of variance, was used to determine if a significant difference existed between intelligence and birth order. This test found that there was a significant difference found when comparing the different variables of birth order and intelligence.
"],"dc:identifier":["https://rdw.rowan.edu/etd/1023"],"dc:subject":["Birth order; Educational psychology--New Jersey","Educational Psychology"],"dc:title":["Does birth order affect intelligence?"],"thesis:degree_discipline":["Educational Services and Leadership"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.A. in School Psychology"]},"updated_at":"2026-07-24T04:13:52Z"}