Iron deficiency and behavior: criteria for testing causality
The association between iron deficiency and poor behavioral-test performance is well established. The question of causality, however, remains unanswered. This paper presents the essential criteria for a valid test of causality. Internal validity is examined in terms of positive and negative findings...
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| Veröffentlicht in: | The American journal of clinical nutrition 1989-09, Vol.50 (3), p.566-574 |
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| container_end_page | 574 |
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| container_issue | 3 |
| container_start_page | 566 |
| container_title | The American journal of clinical nutrition |
| container_volume | 50 |
| creator | Fairchild, Molly Wilson Haas, Jere D Habicht, Jean-Pierre |
| description | The association between iron deficiency and poor behavioral-test performance is well established. The question of causality, however, remains unanswered. This paper presents the essential criteria for a valid test of causality. Internal validity is examined in terms of positive and negative findings. Plausibility of the findings requires analyzing the congruency of the results; for example, those who respond to the iron treatment are also those who respond behaviorally. External validity describes the extent to which inferences may be made about other populations or circumstances. |
| doi_str_mv | 10.1093/ajcn/50.3.566 |
| format | Article |
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The question of causality, however, remains unanswered. This paper presents the essential criteria for a valid test of causality. Internal validity is examined in terms of positive and negative findings. Plausibility of the findings requires analyzing the congruency of the results; for example, those who respond to the iron treatment are also those who respond behaviorally. External validity describes the extent to which inferences may be made about other populations or circumstances.</description><subject>Behavior</subject><subject>causality</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Cognition Disorders - etiology</subject><subject>epidemiology</subject><subject>Hemoglobins - analysis</subject><subject>Humans</subject><subject>Infant</subject><subject>Iron</subject><subject>Iron - deficiency</subject><subject>Iron - therapeutic use</subject><subject>iron status</subject><subject>Random Allocation</subject><issn>0002-9165</issn><issn>1938-3207</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kDtPwzAUhS0EKqUwMiJlYkvxI34hFlTxqFSJBWbLsa_BVZsUO6nUf09KKzamO5xPR-d-CF0TPCVYszu7dM0dx1M25UKcoDHRTJWMYnmKxhhjWmoi-Dm6yHmJMaGVEiM0olIyxdQYPcxT2xQeQnQRGrcrbOOLGr7sNrbpvnApdpCiLUKbig5yF5vPwtk-21XsdpfoLNhVhqvjnaCP56f32Wu5eHuZzx4XpWOSd6WTqvLEVzTUXlEuOAVniQ6y0hKoYDpwJz11taZWY6m5kKFi1jvFGReYswm6PfRuUvvdDyvMOmYHq5VtoO2zkZpoVfFqAMsD6FKbc4JgNimubdoZgs3eltnbMhwbZgZbA39zLO7rNfg_-qhnyOUhh-G7bYRk8q8m8DGB64xv4z_NPyLAeDQ</recordid><startdate>19890901</startdate><enddate>19890901</enddate><creator>Fairchild, Molly Wilson</creator><creator>Haas, Jere D</creator><creator>Habicht, Jean-Pierre</creator><general>Elsevier Inc</general><scope>6I.</scope><scope>AAFTH</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19890901</creationdate><title>Iron deficiency and behavior: criteria for testing causality</title><author>Fairchild, Molly Wilson ; Haas, Jere D ; Habicht, Jean-Pierre</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-c784d1d42fbd825652eca19f7497e2639f5c7d2cb92a9079567f43adc85356053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Behavior</topic><topic>causality</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Cognition Disorders - etiology</topic><topic>epidemiology</topic><topic>Hemoglobins - analysis</topic><topic>Humans</topic><topic>Infant</topic><topic>Iron</topic><topic>Iron - deficiency</topic><topic>Iron - therapeutic use</topic><topic>iron status</topic><topic>Random Allocation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fairchild, Molly Wilson</creatorcontrib><creatorcontrib>Haas, Jere D</creatorcontrib><creatorcontrib>Habicht, Jean-Pierre</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of clinical nutrition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fairchild, Molly Wilson</au><au>Haas, Jere D</au><au>Habicht, Jean-Pierre</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Iron deficiency and behavior: criteria for testing causality</atitle><jtitle>The American journal of clinical nutrition</jtitle><addtitle>Am J Clin Nutr</addtitle><date>1989-09-01</date><risdate>1989</risdate><volume>50</volume><issue>3</issue><spage>566</spage><epage>574</epage><pages>566-574</pages><issn>0002-9165</issn><eissn>1938-3207</eissn><abstract>The association between iron deficiency and poor behavioral-test performance is well established. 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| fulltext | fulltext |
| identifier | ISSN: 0002-9165 |
| ispartof | The American journal of clinical nutrition, 1989-09, Vol.50 (3), p.566-574 |
| issn | 0002-9165 1938-3207 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_79198454 |
| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Behavior causality Child Child, Preschool Cognition Disorders - etiology epidemiology Hemoglobins - analysis Humans Infant Iron Iron - deficiency Iron - therapeutic use iron status Random Allocation |
| title | Iron deficiency and behavior: criteria for testing causality |
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