Chapter 2 Flashcards
(43 cards)
Facilitated Communication
A means for autistic children to communicate
Describe what went wrong with facilitated communication
Soon after there were allegations of sexual abuse against parents, despite no physical evidence. The facilitators unconsciously put their own thoughts on the autistic children
What is the advantage of research design?
Helps eliminate biases and avoid subjective impressions
Describe the Prefrontal Lobotomy
Procedure which severed the fibres connecting the frontal lobe and thalamus. Used to treat schizophrenia and other severe mental disorders. Controlled studies show it doesn’t work and instead, made the patients “zombie-like”
What are heuristics?
Mental shortcuts that reduce the cognitive energy required to solve problems
What is representative heuristic?
Judging a situation based on a pattern of previous experiences or beliefs. “Like goes with Like”
What is availability heuristic?
Estimating the likelihood of an occurrence based on how easily it comes to our minds
What is naturalistic observation?
Watching behavior in real-world settings
What is high external validity?
Findings are generalizable to the real world
What is low external validity?
ability to draw cause-and-effect inferences
What is a case study?
Studying one or a small number of people for an extended period of time
What are self-reports?
Measures assess characteristics such as personality, mental illness, preferences
What are surveys?
Asks for opinions or abilities
What is random selection?
Essential in order to generalize findings from surveys and questionnaires and ensures every person in a population has a chance of being chosen
What is reliability?
Consistency of measurement
What is validity?
Extent to which a measure assess what it claims to measure
What is test-retest reliability?
Similar scores over time
What is inter-rater reliability?
Two raters should produce similar scores. ex) same student should get the same mark on 2 different professors on the exact same subject
What is halo effect?
tendency of ratings of one positive characteristic to influence the rates of other characteristics
What is horns effects?
tendency of ratings of one negative characteristic to influence the rates of other characteristics
What is illusory correlation?
Perception of a statistical association where none exists
Correlation vs. Causation
Just because two things are related, does not mean that one causes another
Three possible explanations
What are 2 things an experiment needs?
- Random assignments of participation
2. Manipulating of an independent variable
What are confounds?
Differences between the experimental and control groups other than the independent variable