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Pitzer, Martha S. – 1987
Investigated were effects of maternal work status and parity on specific outcomes in maternal psychology and physiology and infant physiology. In addition, the study design and the usefulness of instruments were evaluated, and the feasibility of subject recruitment and retention was assessed. Subjects were 20 women between 18 and 35 years of age…
Descriptors: Age Differences, Employed Parents, Employment Level, Individual Development
White, Kathleen M.; And Others – 1980
The Family Relationships Project consisted of a three-year investigation of individual and family development. From the first year sample, 120 subjects were selected from 3 age groups (ages 22, 24, and 26) and 2 role groups (single and married without children) for an examination of the validity of the Family Relationships Interview (FRI).…
Descriptors: Age Differences, Attitude Change, Developmental Stages, Family Relationship
Allen, Vernon L.; Newtson, Darren – 1971
Age trends in conformity and independence, using a sample of 366 children from the 1st, 4th, 7th, and 10th grades were investigated. Three types of stimuli were used: (1) visual judgments; (2) opinion statements; and (3) delay of gratification preferences. Age-trends were observed for unanimous peer pressure, adult influence, and peer pressure…
Descriptors: Adolescents, Age, Age Differences, Behavior

Jolliff, David – Early Child Development and Care, 1984
Studies suggest children of remarriage may experience adjustment challenges but that long range developmental effects are insignificant. Quality of family life appears to be more relevant than family structure, and adjustment seems easier for boys and younger children than for girls and adolescents. (Author/RH)
Descriptors: Academic Achievement, Age Differences, Family Influence, Individual Development
Barker, Thomas S.; Sturdivant, V. Ann; Smith, Howard W., Jr. – 1999
This paper examines what is known (and not known) about adult college students. It reports on a study which compared different age groups in different types of institutions and reviews the research about how adults learn and methodologies for teaching adults. The study compared age distributions at four Texas institutions: the University of North…
Descriptors: Adult Learning, Adult Students, Age Differences, Andragogy

Carroll, Julia M.; Snowling, Margaret J.; Hulme, Charles; Stevenson, Jim – Developmental Psychology, 2003
At 3 points in time over a 12-month period, this short-term longitudinal study examined 67 preschoolers' syllable, rime, and phoneme awareness; speech and language skills; and letter knowledge. Findings indicated that rime skills developed earlier than phoneme skills. Structural equation models showed that articulatory skills and syllable and rime…
Descriptors: Age Differences, Individual Development, Knowledge Level, Language Skills

Mazor, Aviva; And Others – Journal of Youth and Adolescence, 1990
The individuation process was explored from a social-cognitive perspective using 61 kibbutz adolescents and youth in grades 4, 7, and 10, and post-high school in military service. Results support the developmental sequence of the individuation construct in kibbutz adolescents and fit the model proposed by A. Mazor (1985). (SLD)
Descriptors: Adolescents, Age Differences, Elementary Secondary Education, Foreign Countries

Eisenberg, Nancy; And Others – Child Development, 1995
Examined changes in prosocial moral reasoning and gender differences in prosocial reasoning over 15 years. Found that hedonistic reasoning declined and then increased somewhat; needs-oriented and stereotypic reasoning increased and then declined with age. Direct reciprocity and approval reasoning showed no decline into early adulthood, contrary to…
Descriptors: Adolescents, Age Differences, Emotional Development, Individual Development

Roeyers, Herbert; Buysse, Ann; Keymeulen, Heidi – Journal of Learning Disabilities, 1998
This study investigated early clinical differences between 27 children (ages 0-4) with pervasive developmental disorder not otherwise specified and 27 children with attention deficit disorder. Results revealed almost no differences between both groups with respect to pregnancy or birth complications and suggest that differences become more…
Descriptors: Age Differences, Attention Deficit Disorders, Disability Identification, Hyperactivity

Hershey, Douglas A.; Jacobs-Lawson, Joy M. – Teaching of Psychology, 2001
Describes an exercise where students examine their perceptions of normative developmental patterns in life domains across an adult life span. Explains that the activity aims at eliminating the myth of a single prime of life. Discusses the post-exercise discussion and student evaluations of the exercise. (CMK)
Descriptors: Adult Development, Age Differences, Class Activities, Discussion (Teaching Technique)

Kochanska, Grazyna; Coy, Katherine C.; Murray, Kathleen T. – Child Development, 2001
Examined longitudinally committed and situational compliance in "Do" and "Don't" contexts and internalization of standards among 108 young children through age 4. Found that the "Do" context was more challenging than the "Don't" context. Both forms of compliance were longitudinally stable, but only within a given context. Committed compliance was…
Descriptors: Age Differences, Compliance (Psychology), Emotional Experience, Individual Development

Pasupathi, Monisha; Staudinger, Ursula M.; Baltes, Paul B. – Developmental Psychology, 2001
Compared adolescents' (14 to 20 years) and young adults' (21 to 37 years) wisdom-related knowledge and judgment related to difficult and ill-defined life dilemmas. Rated responses along five wisdom criteria. Found that adolescents performed at lower levels than young adults but also demonstrated substantial age increments in performance.…
Descriptors: Adolescent Development, Adolescents, Age Differences, Cognitive Development
Peetsma, Thea; Hascher, Tina; van der Veen, Ineke; Roede, Ewoud – European Journal of Psychology of Education, 2005
The present study focused on the relations between the self-efficacy, social self-concept, time perspectives, school investment and academic achievement of students in four different European countries and in different adolescence periods. A total of 1623 students completed questionnaires. The relations between the concepts proved not to be…
Descriptors: Foreign Countries, Self Efficacy, Academic Achievement, Time Perspective
Hacker, Karen A.; Suglia, Shakira F.; Fried, Lise E.; Rappaport, Nancy; Cabral, Howard – Suicide and Life-Threatening Behavior, 2006
In order to identify differences in risk factors for suicide attempts throughout adolescence, this study utilized a school-based survey of ninth (n = 1,192) and eleventh graders (N = 1,055). Suicide attempts were associated with cigarette and alcohol use, family violence, and depression for ninth graders and with illicit drug use, school violence,…
Descriptors: Grade 9, Grade 11, Drug Use, Sexual Abuse
Haywood, Kathleen; And Others – 1981
Growth concepts as they relate to motor development in children are discussed. The focus of this monograph is on structuring situations to help children develop physical skills. The first chapter deals with individual growth patterns, genetic and environmental influences on human growth, and the development of physical efficiency. Chapter two…
Descriptors: Age Differences, Developmental Stages, Elementary Secondary Education, Individual Characteristics