DYSPHORIA

Mood characterised by sadness.

DILUTION EFFECT

Animal behaviour. A large group of animals has a better chance of eluding a large animal preying on them than one animal alone. See...

DENIAL OF REALITY (DENIAL)

The unconscious defense mechanism of denying the existence of painful facts.This technique enables an individual to escape from intolerable thoughts, wishes, actions, or events...

DEMONOLOGY

Even before Greek and Roman civilization collapsed under the impact of the barbarian onslaught in the fifth century, the Dark Ages in psychiatric history...

DEVELOPMENTAL READINESS

A person's state of preparedness to do a given task or a grade level.

DRUG EDUCATION

The way to inform people about the various effects of chemical agents on the body.

DIAGNOSTIC TESTS IN EDUCATION

In contrast to achievement tests, diagnostic tests are designed to analyze individual performance and identify special disabilities. Most of these tests are concerned with...

DEMOCRATIC PARENTING

A style of parenting suggested by Alfred Adler where the parents guide a child's development in a steady and accepting manner with mutual respect...

DIFFICULTY VALUE

The difficulty of a test item related to the number of people who give the correct answer.

DIRECTIONALITY PROBLEM

A problem with 2 variables where the cause and effect is not known.

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