Assessment 1B – Response to Case Study (20%)
Due: Week 5
Word Count: 1,500 words (+/- 10%)
Task:
For this assessment, you are required to demonstrate your understanding of key developmental
theories and their application to real-life scenarios.
- Read the case study (provided below).
- Review Chapters 1 and 2 of the prescribed textbook: Sigelman, C. K., & Rider, E. A.
(2017). Life-span human development. - Select TWO developmental theories from the following list and apply them to the case
study:
o Erikson’s Psychosocial Theory
o Bronfenbrenner’s Ecological Systems Theory
o Bandura’s Social Learning Theory
Assessment Questions - Comparative Analysis (example, 750 words):
Identify and describe aspects of Kalina and Yara’s upbringing and environments that
were similar, as well as those that differed. Use the two selected theories to analyse and
support your discussion. - Impact on Development (example, 750 words):
Discuss how these factors may have influenced the developmental trajectories of Kalina
and Yara, and how they contribute to their current divergent lifestyles.
Academic Requirements
- Support your arguments with references from at least five recent scholarly journal
articles (published within the last 7–10 years), in addition to the prescribed textbook. - Use APA 7th edition for in-text citations and the reference list.
- Ensure your response demonstrates critical analysis, application of theory, and
integration of evidence-based literature.
Assessment 1B – Case Study
Kalina and Yara are 22-year-old identical twin sisters who were born and raised in Dubbo, a large
regional town in New South Wales. Their early childhood was unsettled. Their mum, who was
raising them on her own, struggled with alcohol misuse and couldn’t provide consistent care.
When the twins were three years old, they were placed in foster care and grew up in separate
homes.
Kalina was placed with foster parents who had no other children. They gave her a lot of one-onone attention and supported her schooling by enrolling her in a private school in Dubbo. Her
foster family also encouraged her to take part in community sports and activities. As a young
adult, Kalina has continued on this path. She is now studying a Master’s degree at university in
Sydney, is very committed to her studies, and has built a close circle of supportive friends. She
is active in student clubs, fitness groups, and sporting teams. While generally calm and wellmannered, Kalina often demonstrates vocal outbursts, particularly when faced with defeat in
sporting matches.
Yara went to live with foster parents in Dubbo who often cared for several foster children at
once. The home was busy and at times unpredictable, with children coming and going. She
went to the local public school, where she struggled academically and often clashed with
teachers. Yara currently has no job and spends most of her day sleeping and her nights
socialising with a group of local young adults, often engaging in excessive alcohol consumption.
When drinking, she frequently becomes irritable with her friends, displaying aggressive
behaviour and intimidating them with threats of violence.
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