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Creutzfeldt-Jakob Disease (CJD) is a rare, devastating, degenerative, and mostly fatal brain disorder. It is part of a group of...

Whether it is in a classroom setting, a requirement for college admission, or to acquire something as simple as a...

Critical and sensitive periods are times when development of a particular area may be most influenced by environmental factors. The...

Everyone is born into a cultural environment. Cultures vary widely in belief systems, settings, languages, and processes of transmission, such...

The  longitudinal  method  examines  one  group of people repeatedly over time, whereas the cross-sectional method examines several groups of people...

Crying is not just the sound of a fussy baby or a bothersome noise. It is a direct and effective...

The notion of  crystallized  intelligence  was  first proposed by the British psychologist Raymond B. Cattell in a 1943 article in...

Cystic fibrosis (CF) is a recessive hereditary disease that causes the mucous glands in the lungs and digestive tract to...

Charles Darwin developed the theory of evolution by natural and sexual selection, which today unifies the life sciences. He was...

Changing Nature Of Dating Across History The  definition  and  practice  of  dating  continues to change across time and varies significantly...

As the population of the United States shifted from rural, agrarian, or farming living arrangements to those of more urban...

The word deafness encompasses the state of not hearing. Prevalence estimates indicate that roughly 34 million adults representing approximately 17%...

The subjects of “children” and “death” seem somehow contradictory and yet it is clear, based on children’s drawings and writings,...

“Death with dignity” has long been a slogan of the “right to die” movement. Proponents of legalizing physician-assisted suicide and/or...

The study of reasoning is very important because it pertains to the heart of the question of whether people think...

Deferred imitation refers to observing a model and replicating important aspects of the model’s behavior after some significant period. Jean...

Definitions And Descriptions Delinquency is a legal term, which is generally defined as antisocial or criminal acts that violate legal...

Definition Dementia  is  characterized  by  the  development of  multiple  cognitive  deficits,  including  memory (deficits in learning new information or in...

In a scientific experiment, a researcher investigates whether changes in one or more independent variables have an effect on one...

Buddhism is a religious tradition founded by Siddhartha Gautama, who lived in Northern India in the 6th century BC Gautama...

Bulimia nervosa is an eating disorder characterized by  recurrent  episodes  of  binge  eating  accompanied by inappropriate compensatory strategies that are...

Bullying, also referred to as peer harassment or victimization, is defined within the context of peer relationships in childhood and...

Cancer is a term used to describe more than 100 different diseases that can affect almost any part of the...

Cardiovascular disease is a general umbrella term that refers to a group of disorders involving the heart and blood circulation...

A case study is a research technique used to study an individual or group providing intense description and analysis. This...

In cognitive psychology, categorization focuses on how knowledge is organized. Objects in the same category are likely to share certain...

Catholicism is a Christian religious tradition that has as its central belief that Jesus Christ is both God and man;...

The Centers for Disease Control and Prevention (CDC)  is  an  agency  of  the  Department  of  Health and Human Services responsible...

Charter schools represent a relatively new school reform strategy in the United States for children in kindergarten through 12th grade...

Quality child care/day care for families is an important aspect of daily life. At its best, child care provides positive...

The term child custody employed here refers to child consequences and parental responsibilities following separation and divorce. Child custody may...

Child abuse is a global problem. The World Health Organization (WHO) estimates that 40 million children between birth and 14...

The three longitudinal studies that constitute the Intergenerational Studies (IGS) of the Institute of Human Development (IHD) were initiated in...

There are many children in our society who go through the day without eating or who fail to receive adequate...

Few  child  development  experts  would  disagree that parenting has a significant influence on child psychological and behavioral outcomes. Furthermore, research...

In  its  strictest  definition,  childlessness  occurs when people do not biologically bear children. However, this definition is limited and fails...

Children with special health care needs include those with chronic illnesses (e.g., asthma, diabetes, sickle cell anemia), physical disabilities (e.g.,...

The United Nations Convention On The Rights Of The Child The United Nations Convention on the Rights of the Child...

Noam Chomsky is cofounder of the Department of Philosophy and Linguistics at the Massachusetts Institute of Technology (MIT) and a...

Chromosomes are large pieces of DNA that contain genes, other sequences of DNA, and associated proteins. Genes code for traits,...

Chronic fatigue syndrome (CFS) is a poorly understood and sometimes controversial illness thought to affect as many as 800,000 Americans....

What Is Chronic Illness? A chronic illness is any medical condition that has a prolonged course and often interferes with...

Circadian rhythms refer to regular or rhythmic variations in biological and behavioral measures approximately (“circa”) on a 24-hour or daily...

Circumcision is the surgical removal of the foreskin from the penis and is practiced by Jews, Muslims, and Coptic Christians....

As we traverse the path from birth to death, chronological age (CA) provides a simple and convenient signpost for all...

We are constantly making predictions about events that may happen in our environment and actively seeking information with predictive value....

Cluster suicide refers to the occurrence of two or more suicides or suicide attempts, or both, that occur closer together...

Cocaine is a frequently used central nervous system (CNS) stimulant that enhances energy and mood. It is also a dangerous...