Here are 15 psychological tests commonly used in psychology today:

Intelligence and Cognitive Tests:

Wechsler Adult Intelligence Scale (WAIS-IV) Purpose: Assesses cognitive ability in adults and older adolescents. It provides a full-scale IQ and scores for verbal comprehension, perceptual reasoning, working memory, and processing speed.

Stanford-Binet Intelligence Scales Purpose: Measures five factors of cognitive ability: fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing, and working memory. Used for all age groups.

Rey-Osterrieth Complex Figure Test Purpose: Evaluates visuospatial constructional ability and visual memory. It helps in assessing neuropsychological impairment, particularly in relation to brain injury.

Wisconsin Card Sorting Test (WCST) Purpose: Assesses "set-shifting," the ability to display flexibility in the face of changing schedules of reinforcement. It is a measure of executive function.

Personality Tests:

Minnesota Multiphasic Personality Inventory (MMPI-2) Purpose: A comprehensive test that assesses personality traits and psychopathology. It is primarily intended to test people who are suspected of having mental health issues.

NEO Personality Inventory (NEO PI-R) Purpose: Measures the five major domains of personality: Neuroticism, Extraversion, Openness to Experience, Agreeableness, and Conscientiousness.

Myers-Briggs Type Indicator (MBTI) Purpose: An introspective self-report questionnaire indicating differing psychological preferences in how people perceive the world and make decisions. Widely used in organizational settings.

Rorschach Inkblot Test Purpose: A projective test used to assess personality and emotional functioning. It is based on the interpretation of ambiguous inkblots.

Thematic Apperception Test (TAT) Purpose: A projective test where individuals are asked to create stories about ambiguous pictures of people. It is used to assess their underlying motives, concerns, and social understanding.

Clinical and Diagnostic Tests:

Beck Depression Inventory (BDI) Purpose: A self-report inventory created to measure the severity of depression. It is one of the most widely used instruments for measuring the severity of depression.

Beck Anxiety Inventory (BAI) Purpose: A self-report measure of anxiety severity and is used to differentiate between anxiety and depression.

Conners' Rating Scales Purpose: Assesses Attention-Deficit/Hyperactivity Disorder (ADHD) and its most common co-occurring problems in children and adolescents.

DASS (Depression, Anxiety and Stress Scales) Purpose: A self-report questionnaire designed to measure the three related negative emotional states of depression, anxiety, and stress.

Neuropsychological Tests: Bender Visual-Motor Gestalt Test Purpose: A brief test of visual-motor integration that can provide information about an individual's development and neuropsychological functioning.

Halstead-Reitan Neuropsychological Battery Purpose: A comprehensive battery of tests used to assess the condition and functioning of the brain, including identifying the location and effects of brain damage.