OCR GCSE Psychology key terms

A sampling method in which every member of the target population has an equal chance of being selected.

A measure of dispersion calculated by subtracting the lowest score from the highest score.

A type of closed question in which participants select a position on a numerical or descriptive scale to indicate intensity, frequency or agreement.

A comparison of quantities in a stated order, written using a colon, such as $2:3$.

A logical, evidence-based interpretation that is realistic and flexible.

In Piaget’s theory, having reached the level of cognitive development needed to understand a particular concept.

A structure on a cell to which a particular chemical messenger can bind, affecting the cell’s activity.

Remembering by rebuilding an account of an event rather than replaying an exact recording; later information can influence that account.

An explanation of memory in which recall involves actively piecing together remembered information, influenced by previous experience, beliefs and expectations.

In NHS Talking Therapies reporting, moving from above a clinical symptom threshold at the start of treatment to below the relevant thresholds at the end.

Explaining a complex behaviour by breaking it down into simpler constituent parts, such as neural activity.

The flow of blood through a particular brain region, used as an indicator of activity in that region. Abbreviated to rCBF.

Helping an offender change their thinking and behaviour, develop constructive skills and reduce the likelihood of further offending.

A consequence that increases the likelihood of the behaviour it follows.

A return or worsening of symptoms after a period of improvement.

The consistency of a measure or study.

A reduction or disappearance of symptoms, which does not necessarily mean that they will never return.

Rapid eye movement sleep: a sleep state associated with active brain processes and commonly with vivid dreaming.

Committing another offence after having previously offended.

An experimental design in which the same participants take part in every condition.

An experimental design in which the same participants take part in every condition.

Presenting information repeatedly to make it more familiar and easier to remember.

The extent to which a sample reflects the relevant characteristics of its target population.

A sample that reflects the relevant characteristics of the target population.

In Freud’s theory, keeping distressing memories, wishes or feelings outside conscious awareness.

The influence of a researcher's expectations or personal views on how evidence is collected, interpreted or reported.

The ethical principle of recognising everyone's dignity and worth, respecting their rights, privacy and ability to make their own choices.