Index of Psychology Articles - A

A

A-not-B error - Abnormal psychology - Abreaction - Absexual - Abuse - Acceptance and commitment therapy - Acrophobia - Acting out - Action research - Active intellect - Active learning - Activity theory - Actor-observer bias - Adaptation - Adaptive behavior - Adjustment disorder - Adolescence - Adolescent psychology - Advanced Placement Psychology - Affect (psychology) - Affect display - Affectional bond - Affectional orientation - Affective forecasting - Affective science - Affirming the consequent - Afterburn (psychotherapy) - Age regression - Ageing - Aggression - Agoraphobia - AIDS dementia complex - Akinesia - Alexithymia - Algophobia - Allophilia - Alogia - Alter ego - Altered state of consciousness - Altruism - Alzheimer's disease - Ambivalence - American Psychological Association - The American Psychologist - Amnesia - Anal retentive - Anal stage - Analytical psychology - Anamnesis (philosophy) - Anchoring - Androphobia - Anger - Anhedonia - Anima and animus - Animal hoarding - Anomic aphasia - Anomie - Anorexia nervosa - Anorgasmia - Anterograde amnesia - Anticathexis - Anticipation (emotion) - Antidepressant - Antilocution - Antipathy - Antipsychotic - Anti-social behaviour - Anxiety - Anxiety disorder - Anxiogenic - Apathy - Aphanisis - Aphasia - Apoplexy - Apperception - Applied behavior analysis - Applied psychology - Approach-avoidance conflict - Aquaphobia - Archetypal psychology - Archetype - Arousal - Artificial demand - Artisan temperament - Asian psychology - Asperger syndrome - Assertiveness - Association (psychology) - Astraphobia - Attachment theory - Attachment disorder - Attention - Attention-deficit hyperactivity disorder - Attention seeking - Attention span - Attitude (psychology) - Attribution (psychology) - Attribution theory - Attributional bias - Atypical depression - Audience effect - Aura - Australasian Society for Experimental Psychology - Australian Psychological Society - Autassassinophilia - Authoritarian personality - Authority - Autism - Autism Diagnostic Observation Schedule - Autism spectrum - Autoassociative memory - Autodidacticism - Automatic behavior - Availability heuristic - Aversion therapy - Aversives - Avoidant personality disorder - Avolition - Awareness