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Friendship Among Children, Caitlin F. Herman, Lisa K. Lashley, Charles J. Golden Apr 2025

Friendship Among Children, Caitlin F. Herman, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Friendships in childhood are essential to overall development, beyond having someone to socialize with. Research suggests that friendships in children can help mitigate psychopathology, can be considered protective factors against being bullied and acting as a bully, and help with developing strong cultural competence. Aspects of friendships such as quality and intimacy of the relationship, as well as quantity of friends have been investigated for their importance in moderating many of these factors. Lack of friendships can lead to both short-term and long-term challenges for children, such as loneliness and feeling isolated from peers, anxiety and other internalizing disorders, and …


James Mark Baldwin, Scott Harcourt Apr 2025

James Mark Baldwin, Scott Harcourt

Essays in Developmental Psychology

James Baldwin was born on January 12, 1861 in Columbia, South Carolina. He attended secondary school in New Jersey. He initially planned on a life in the ministry, but in his first year at Princeton (then the College of New Jersey), he fell under the tutelage of the Scottish Realist James McCosh, and studied empirical psychology instead, graduating as valedictorian in 1894. He spent a fellowship year in Germany and France, studying with Wundt in Leipzig, before returning to Princeton for his Ph.D. He then taught at Lake Forest University for two years, during which time he married.


Word Learning Rules In Children, Caitlin F. Herman, Lisa K. Lashley, Charles J. Golden Apr 2025

Word Learning Rules In Children, Caitlin F. Herman, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

The ability to learn new words requires the use of numerous cognitive functions. It is expected that from the time a child begins speaking around 12 months of age to about six years old, children learn approximately 14,000 words (Templin, 1957 as cited in Brady & Goodman, 2014).  From an early age, children are exposed to the language used around them and slowly develop their own use of language through recognition of objects, combination of phonemes, and memorization of visual and auditory stimuli. In order to successfully master language and learn new words, a child must integrate these processes to …


Perspective Taking Stages, Caitlin F. Herman, Lisa K. Lashley, Charles J. Golden Apr 2025

Perspective Taking Stages, Caitlin F. Herman, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Perspective taking is the ability to gain an understanding of how another person is thinking or feeling about an event based on the information which is available. Learning to understand the perspective of another person is an ability that develops over childhood through many stages. Typically, this concept is first grasped by school age, or around 6 to 7 years of age. There are multiple types of perspectives that can be taken as well, including physical or visual perspective, affective perspective, cognitive perspective, or perspective of communication. Each of these types is important for social behaviors and the ability to …


Grandparenthood, Ronald Okolichany, Lisa K. Lashley, Charles J. Golden Apr 2025

Grandparenthood, Ronald Okolichany, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

The transition from parenthood into grandparenthood is a normative experience for a majority of individuals and typically occurs in middle age. However, this transition is not uncommon for individuals over 65 or under 55. An individual’s first experience with grandparenthood generally occurs in childhood, when they interact with their grandparents as grandchildren. Initially, the bond between grandparents and grandchildren is mediated by the parents. However, over time the relationship between the two becomes more direct.


Embryonic Stem Cell Research, Huda Abu-Suwa, Lisa K. Lashley, Charles J. Golden Apr 2025

Embryonic Stem Cell Research, Huda Abu-Suwa, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Stem cell research is a controversial issue that has received considerable attention over the last three decades. Stem cell research began in the early 1980’s, when stem cells were obtained from mice embryos and utilized to understand the functioning of stem cells (Grivennikov, 2008). In 1998, researchers discovered techniques for obtaining embryonic stem cells from human and growing them in laboratories. Since them, substantial research has been conducted on stem cells and their potential uses, which includes increasing our understanding of diseases and how they occur, treating various diseases, and testing new medications for safety and efficacy (Taylor, 2005).


Rachel Barr, Huda Abu-Suwa, Lisa K. Lashley, Charles J. Golden Apr 2025

Rachel Barr, Huda Abu-Suwa, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Dr. Rachel Barr is a developmental and clinical psychologist, and a leading expert on early learning and memory. She has published and presented on over 200 articles, encyclopedia entries, book chapters, and poster presentations on subjects related to child development and psychology and continues to do research in these fields (Rachel Barr, 2019).


Robert Stoller, Huda Abu-Suwa, Lisa K. Lashley, Charles J. Golden Apr 2025

Robert Stoller, Huda Abu-Suwa, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Robert Stoller was an American psychiatrist who studied gender identity and sexuality. Stoller was born in 1924 and died in 1991 (Green, 1992). He died in a car accident near his home, at the age of 66 (Cook, 1992). Stoller received his bachelor’s degree from the University of California, Berkeley, and received his medical degree in 1948 from the University of California, Los Angeles (UCLA) (Goleman, 1991). Stoller also completed psychoanalytic training at the Psychoanalytic Society and Institute, where he worked under psychoanalyst Hanna Fenichel.


Psychological Development: Cognition, Emotions, Personality, Anita Knight Kuhnley, Kelly Carapezza, Gary Sibcy Apr 2025

Psychological Development: Cognition, Emotions, Personality, Anita Knight Kuhnley, Kelly Carapezza, Gary Sibcy

Essays in Developmental Psychology

Adolescence is considered the age that bridges childhood and adulthood, Erik Erikson, who has contributed much to our understanding of the developmental stages described adolescence as, “the age mediating between childhood and adulthood (Erikson, 1997, p.xi).” Adolescence includes the sometimes tumultuous years between the ages of 11 and 21, and the Eriksons addressed this as one stage (Newman and Newman, 2013). Some authors attribute the fact that adolescence is such a trying time to the fact that adolescents lose synapses in the brain specifically in the primary visual cortex at a rate of 5,000 per second (Bears, Connor, and Paradiso, …


Personal Control Beliefs, Sarah Kurzu, Eric A. Goedereis Apr 2025

Personal Control Beliefs, Sarah Kurzu, Eric A. Goedereis

Essays in Developmental Psychology

Personal control refers to the degree to which an individual believes one is in control of his or her own life, as opposed to one’s circumstances being the result of factors outside of one’s control. An individual with high personal control has a stronger belief that he or she is able to produce desired outcomes within a designated domain. The beliefs themselves are broken down into two main constructs: external and internal control. Internal control emphasizes the responsibility of the individual and his or her actions on the outcome, while external control determines the outcome as being guided by an …


Generativity, Chris Burley, Lisa K. Lashley, Charles J. Golden Apr 2025

Generativity, Chris Burley, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

In psychology, the term generativity refers to concern for the future and the need to offer positive contributions to future generations. The term first appeared in stage seven of Erik Erikson’s model of psychosocial development (generativity vs. stagnation). Erikson’s model postulates that generativity occurs explicitly in middle adulthood, but a more recent model of generativity created by Dan McAdams proposes that generativity occurs as a function of increasing cultural demand and concern for future generations, rather than a function of personality change (McAdams, 2001).


Birth Complications, Chris Burley, Lisa K. Lashley, Charles J. Golden Apr 2025

Birth Complications, Chris Burley, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Complications during childbirth can pose a serious threat to both infant and maternal health. Birth complications can lead to a variety of different health risks, ranging from minor to severe in nature. The following common labor complications can happen even after a standard pregnancy with no difficulties or high risk variables.


The Life Of Susan Sutherland Isaacs, Cherish J. Caldwell, Rachel C. Davis, Betty S. Lai Apr 2025

The Life Of Susan Sutherland Isaacs, Cherish J. Caldwell, Rachel C. Davis, Betty S. Lai

Essays in Developmental Psychology

Susan Sutherland Isaacs was a British psychologist and psychoanalyst who rose to prominence during the nineteenth century progressive educational movement. Isaacs is best known for her publications on the intellectual and social development of children, as well as her theories regarding the education of children through free play.  Furthermore, Issacs served as the first principal of the Malting House School, one of the earliest progressive schools to incorporate the theories of psychoanalysis within its curriculum (Graham, 2009).


Parental Influence, Justin Burgess, Lisa K. Lashley, Charles J. Golden Apr 2025

Parental Influence, Justin Burgess, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

An adequate level of parenting—providing enough nutrition, shelter, exposure to language and peers, or not harshly punishing children (punching, kicking, striking with a weapon)—seems to not have a long-term effect on cognitive development in children. Twin and adoption studies have found that intelligence is accounted for almost entirely by genes and nonshared environment, which includes peers, teachers, and unique experiences. However, there are parenting styles and types of home environments that are correlated with better school performance, stronger school engagement, and more words spoken at certain ages.


Gifted Children, Justin Burgess, Lisa K. Lashley, Charles J. Golden Apr 2025

Gifted Children, Justin Burgess, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Children can be gifted in a variety of different areas, including musical talent, athleticism, and artistic ability among others. The focus of this entry will be solely on those children who are gifted in intellectual ability and academic achievement. Identification of intellectual giftedness usually requires an individually administered intelligence test, achieving a Full-Scale Intelligence Quotient (FSIQ) of 130 or higher, which is a threshold that dates back to Lewis Terman’s research at Stanford in the early to mid 20th century. Although this seems like an arbitrary score, an IQ score of 130 and above is where an individual scores two …


The Marshmallow Task, Laurel A. Brabson, Hannah M. Coffey, Mary Margaret Ruckle, Cheryl B. Mcneil Apr 2025

The Marshmallow Task, Laurel A. Brabson, Hannah M. Coffey, Mary Margaret Ruckle, Cheryl B. Mcneil

Essays in Developmental Psychology

To study the human systems of self-control during delayed gratification, Dr. Walter Mischel and colleagues developed what became the famous Marshmallow Test, published in Science in 1989. This study became a frontrunner in the field of psychology, laying the foundation for future studies in impulse control. Dr. Mischel was born in 1930 in Vienna, Austria. He was a professor at the University of Colorado, Harvard University, and Stanford University where he originally conducted the Marshmallow Test. Dr. Mischel currently holds a professorship at Columbia University.


Craik & Lockhart: Levels Of Processing, Macey Cartwright, Heidi Kloos Apr 2025

Craik & Lockhart: Levels Of Processing, Macey Cartwright, Heidi Kloos

Essays in Developmental Psychology

What is the nature of mental activity that allows a child to remember a past experience? Traditionally, the question of memory was answered with an exclusively static model: The mind was said to have storage bins to which represented experiences are added. Depending on the exact nature of the storage bin, the experience is remembered either for a short time (i.e., shortterm memory) or for a long time (i.e., long-term memory). Though widely familiar, this model of static storage bins falls notoriously short on explaining the nuance of memory findings. For example, short-term memory appears to have strict capacity limits …


Representative Sampling, Jessica Choe, Lisa K. Lashley, Charles J. Golden Apr 2025

Representative Sampling, Jessica Choe, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

The research process begins with an initial observation that scientists or researchers of various backgrounds want to engage in and understand, which prompts them to formulate theories and hypotheses, collect data, and use statistical procedures to organize, summarize, and interpret gathered data. Research conducted through questionnaires or surveys are often utilized to determine the nature of a population or the interests of members in a particular group.


Possible Selves, Chris Burley, Lisa K. Lashley, Charles J. Golden Apr 2025

Possible Selves, Chris Burley, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Self-concept is an individual’s idea of who the individual was in the past, who the individual is at present, and who that individual has the potential to become in the future. When considering self-concept, group memberships and other social roles typically shape how an individual thinks about him- or herself. A strong self-concept helps an individual to make sense of his or her present situation, maintains positive feelings through difficult situations, make sensible predictions about the future, as well as helps to sustain motivation.


Intersensory Redundancy, Macey Cartwright, Heidi Kloos Apr 2025

Intersensory Redundancy, Macey Cartwright, Heidi Kloos

Essays in Developmental Psychology

How does redundancy in the input affect the child’s attention? Consider, for example, a scenario in which the child is listening to a parent’s utterances, as well as watching the parent’s lips moving in synchrony with the speech. Intuitively, one might assume that there is an inherent advantage in such informational coherence. The match between sounds and visual input might help constrain attention in productive ways. Alternatively, a mismatch in intersensory information might affects attention negatively. The reality of how intersensory redundancy affects a child’s attention is more surprising than what intuition might suggest, as we discuss in this essay.


Psychomotor Speed In Old Age, Cheryl Chakranarayan, Nathan C. Weed Apr 2025

Psychomotor Speed In Old Age, Cheryl Chakranarayan, Nathan C. Weed

Essays in Developmental Psychology

Psychomotor ability is defined in terms of the relationship between cognitive functions and motor activities. It plays an important role in acquiring and carrying out a broad range of physical skills and coordinated behaviors, such as playing a sport, or in everyday activities like pouring a glass of milk or applying makeup. Psychomotor speed therefore is the rate at which a certain psychomotor behavior can be carried out. Because of the relevance of psychomotor speed to many areas of personal functioning, it has been extensively studied in a wide variety of applied contexts including sports performance, personnel selection within the …


Adolescent Social Development, Randall E. Osborne Apr 2025

Adolescent Social Development, Randall E. Osborne

Essays in Developmental Psychology

Views about the manner and nature of human development have changed across time (Psyking.net 2016). Some of these views have been religious (e.g., creationism) and some of these views have been more biological (e.g., preformationism).  Regardless of the focus of the view, how we believe human beings develop has a profound effect on our expectations for those beings.  One early view of human development from a biological perspective was Preformationism.  This is explained as, “A notion that was widespread among pioneer biologists in the 18th century was that the fetus, and hence the adult organism that develops from it, is …


Sibling Relationships In Old Age, Ronald Okolichany, Lisa K. Lashley, Charles J. Golden Apr 2025

Sibling Relationships In Old Age, Ronald Okolichany, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

The relationship between siblings is unique among family relationships in that sibling relationships have a dimension of equality. In other words, they do not necessarily share the same obligations toward each other as a married partners or parents and child may, especially in Western cultures. Durkheim (1933) described sibling relationships as a “mechanical” bond rather than an “organic” bond, which would better characterize a complimentary relationship, such as that between married partners or a parent and child. This mechanical bond results in ambivalence and rivalry towards one another during childhood and early adulthood, as siblings are often forced to compete …


Cognitive Dissonance, Afton Nelson, Eric A. Goedereis Apr 2025

Cognitive Dissonance, Afton Nelson, Eric A. Goedereis

Essays in Developmental Psychology

Leon Festinger proposed the theory of cognitive dissonance in 1957, in which he extensively outlined the major derivations of dissonance, consonance, and justification (Festinger & Carlsmith, 1959). In short, cognitive dissonance occurs when one’s actions are inconsistent with previous beliefs about one’s self. The inconsistency in these beliefs creates conflict within the self. For example, an individual may think of herself as a good person, yet she breaks a law. In this example, there is inconsistency between one’s current action and prior beliefs about the self.


John B. Watson, Afton Nelson, Amanda Kracen Apr 2025

John B. Watson, Afton Nelson, Amanda Kracen

Essays in Developmental Psychology

John B. Watson (1878 – 1958) was an influential American psychologist credited with advancing behaviorism, a psychological approach that considers all behavior to be a result of interactions with the external environment. Watson was born in South Carolina on January 9, 1878, where he lived throughout his childhood. Despite his rebellious adolescent years and poor academic performance, he graduated with a master’s degree from Furman University in South Carolina at the age of 21. He earned a Ph.D. in psychology in 1903 from the University of Chicago, where he studied animal behaviors for his doctoral dissertation. In 1908, Watson accepted …


Ethical Research, Stephanie Nguyen, Aya Shigeto Apr 2025

Ethical Research, Stephanie Nguyen, Aya Shigeto

Essays in Developmental Psychology

In the early history of empirical research, the ethical code of conduct was only loosely followed and not well regulated. Now, following a proper code of ethics is expected in research with committees from the institutional to the international level strictly regulating and holding researchers accountable for their work. Research ethics address questions, such as whether a study will produce the greatest good; who is intended to benefit from a study at the expense of others; and how research participants, especially those from vulnerable populations (e.g., pregnant women; minors; people in impoverished circumstances, with disabilities, or from minority groups), should …


Piaget's Conservation Experiments, Motolani Shenbanjo, Heidi Kloos Apr 2025

Piaget's Conservation Experiments, Motolani Shenbanjo, Heidi Kloos

Essays in Developmental Psychology

When it comes to assessing the magnitude of a quantity, the mind has several options. For example, to determine the amount of juice in a glass, one could merely look at the height of the juice in the glass; or one could incorporate both the height and the width of the glass. The latter would be the correct approach: The height alone can be misleading, for example when the glass is very narrow. Thus, in order to behave rationally, one has to look past the salient dimension of height and instead focus on integrating several dimensions. According to Jean Piaget, …


Job Satisfaction (Motivation / Work / Employee / Satisfaction), Veronica Stelzer, Jonathan Proctor Apr 2025

Job Satisfaction (Motivation / Work / Employee / Satisfaction), Veronica Stelzer, Jonathan Proctor

Essays in Developmental Psychology

Satisfaction is a multifaceted emotional state of being that is derived from the fulfillment of expectations, wants, and needs. Reaching a level of satisfactory creates contentment, pleasure and even pride, but in order to achieve this state of well-being the task must be reasonably challenging, purposeful and appreciated. Today, job satisfaction is a topic that interests many. Satisfaction surveys are completed yearly, if not quarterly, to assure employees are feeling heard and understood. Some businesses such as Facebook and American Express have employee satisfaction ratings that top the charts, other places of work, suffer from high turnover rates and lack …


Stereotype Thinking, Lisa Stebbins, Lisa K. Lashley, Charles J. Golden Apr 2025

Stereotype Thinking, Lisa Stebbins, Lisa K. Lashley, Charles J. Golden

Essays in Developmental Psychology

Stereotypes are widely held fixed thoughts and beliefs adopted by common members of a group, that represent a particular group of individuals or behaviors as a whole. Attitudes people hold reflect in-group beliefs, values, and everyday life choices that are transgressed throughout multiple generations.  Stereotypes are intertwined into society, and although many people would like to deny these attitudes, they are implanted on individuals when we are young and occur without conscious awareness. Stereotype thinking is adaptive in nature, which serves the purpose to help people make sense of the world around them, by explaining social events, justifying one’s actions, …


Job Dissatisfaction, David A. Scott, Dawn-Marie Farrell-Smith, Angela Garren, Hannah Wegley Apr 2025

Job Dissatisfaction, David A. Scott, Dawn-Marie Farrell-Smith, Angela Garren, Hannah Wegley

Essays in Developmental Psychology

We either have experienced or know someone who has experienced job dissatisfaction at some point in their life. Many factors can lead to job dissatisfaction, including horrible mangers, poor working conditions, irritating co-workers and even harassment. Job dissatisfaction is very common and can have an impact on a person’s overall health and relationships. Job dissatisfaction can also lead to people changing careers several times over their lifetime. A person would be considered very lucky to have a job they enjoy going to each and every day.