Dave Cornell (PhD)

Dr. Cornell has worked in education for more than 20 years. His work has involved designing teacher certification for Trinity College in London and in-service training for state governments in the United States. He has trained kindergarten teachers in 8 countries and helped businessmen and women open baby centers and kindergartens in 3 countries.

10 Object Permanence Examples

Object permanence is the term for when a baby understands that an object still exists even though they can no longer see it. The concept was first identified by Swiss psychologist Jean Piaget (1954) as part of his theory on stages of cognitive development. When a child understands that an object still exists, even though […]

10 Object Permanence Examples Read More »

15 Proactive Interference Examples

Proactive interference occurs when previously learned information disrupts learning new information. For example, you might struggle to remember your new phone number because your mind automatically goes back to your old phone number every time. This can happen during either the acquisition or retrieval stage. Information already in memory can both: In both cases, we’ll

15 Proactive Interference Examples Read More »

15 Retroactive Interference Examples

The simplest example of retroactive inference is when you forget your old phone number shortly after you have memorized your new one. Retroactive interference is when new information being encoded into memory disrupts our ability to recall already stored information. This can happen when there is a great deal of similarity between the two sets

15 Retroactive Interference Examples Read More »

Ambivalent-Insecure Attachment: Definition & 10 Examples

The ambivalent-insecure attachment style is characterized by a preoccupation with significant others. They are in a pervasive state of anxiety about the availability of others and the likelihood of forming a deep emotional bond. This is most likely due to their primary caregiver’s unpredictability. When the child needs comforting, these caregivers will sometimes respond accordingly

Ambivalent-Insecure Attachment: Definition & 10 Examples Read More »