Individuals who contributed to the field of psychology
William Wundt
William James
Stanley Hall
Mary Whiton Calkins
Margaret Floy Washburn
Charles Darwin
Dorothea Dix
Sigmund Freud
Ivan Pavlov
Jean Piaget
Carl Rogers
B.F. Skinner
John B. Watson
William Wundt
Created the first laboratory dedicated exclusively to psychology research
Studied the senses, reaction time, attention spans, emotions
William James
Taught the first psychology course at Harvard
Wrote the first psychology textbook
Created the theoretical approach of functionalism
Helped get more women into psychology
Stanley Hall
First American to earn a PhD in psychology
Opened the first psychology lab in the US
Became the first president of the American Psychological Association
Mary Whiton Calkins
Joined William James' graduate seminar despite pushback
Made significant contributions in memory research
Became the first female president of the APA
Margaret Floy Washburn
Made significant contributions to animal research
First woman to earn a psychology degree
Second female president of the APA
Charles Darwin
Proposed the idea of natural selection
Argued that behaviors and bodies were shaped through natural selection
Dorothea Dix
Helped reshape the medical field by highlighting unfair and inhumane treatment of mentally ill people
Helped reform insane asylums
Sigmund Freud
Created the psychoanalytic theory, later changed to the psychodynamic approach
Focused on studying the unconscious mind
Believed personalities are shaped by unconscious motives
Ivan Pavlov
Focused on reflex conditioning, later known as classical conditioning
Most known for his experiment with dogs and their digestion
Jean Piaget
First psychologist to conduct a systematic study of cognitive development
Created a theory of cognitive development focusing on children
Carl Rogers
One of the founders of humanistic psychology
Made significant contributions to research and understanding of personality
B.F. Skinner
Expanded on the theoretical approach of behavioralism
Known for operant conditioning which focuses on behaviors and consequences
John B. Watson
One of the founders of behaviorism
Believed psychology should be a scientific study focused on observable things
Historical schools of thought in psychology
Structuralism
Functionalism
Gestalt psychology
Psychoanalytic/Psychodynamic
Modern perspectives in psychology
Early behavioralism
Humanistic
Sociocultural
Evolutionary
Biological
Cognitive
Domains of psychology
Biological
Developmental
Cognitive
Educational
Personality
Social
Positive
Psychometric
Industrial/Organizational
Counseling
Clinical
Operational definition
A description for an experiment in terms of procedure, actions or processes by which it could be observed and measured
Population
All the individuals in a group being studied
Sample
A selected group of people from the population
Random sampling
Each individual in a population has an equal chance of participating
Stratified sampling
The population is divided into different subcategories and a random sample is taken from each
Sampling bias
When the group in the sample does not represent the population
Representative sample
The sample group represents all the different people in the population
Research methods
Experiments
Correlational studies
Surveys
Naturalistic observations
Case studies
Longitudinal studies
Cross-sectional studies
Hypothesis
A testable prediction or assumption made before research is completed
Theory
A statement supported by data from completed research that explains a question, thought or phenomena
Causal relationship
When one variable (independent variable) causes another variable (dependent variable)
Confounding variable
Other variables besides the independent variable that could impact the dependent variable
Third variable problem
When other variables besides the independent and dependent variable impact the results of a study
Random assignment
Each participant has an equal chance of being put into the control or experimental group
Participants would be told wrong answers and conflicting information by other teenagers the researchers would then observe the participant to see if they had conformed to the group decision
Independent variable
The number of teenagers in the group surrounding the participant
Dependent variable
Whether the participant conforms their answer to the group of teenagers
Confounding variables are other variables besides the independent variable that could impact the dependent variable
If there are other variables impacting an experiment or study it may skew the result, this is known as the third variable problem
Random assignment
Each participant of a study has an equal chance of being put into the control group or experimental group
Random sample is when each person in the population has an equal chance of being chosen for the study
Single blind study
Participants in an experiment are unaware of which group in the experiment they're part of