Vocabulary Flashcards
Theory
A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
Hinsight bias
Refers to the tendency people have to view events as more predictable than they really are.
Hypothesis
Is a tentative statement about the relationship between two or more variables.
Operational definition
Are anything that might impact the outcome of hour study. Describes the variables and how they are measured within the context of your study.
ReplicAtion
Is a term referring to the repetition of a search study, generally with different situations and subjects. Determine if the basics findings of the original study can be generalized to other circumstances.
Case study
In-depth study of one person. Much of Freud’s work and theories were developed through individual case studies.
Naturalistic observation
Is a research method technique that involves observing subjects in their natural environment.
Survey
Is a data collection tool used to gather information about individuals, often used by psychology research to collect self-report data from study participants.
Sampling bias
An error in choosing participants for a scientific study such that the results are distorted.
Population
The entire a ount of people in a rendered geographical location.
Random sample
Is a subset of individuals that are randomly selected from a populations.
Correlation
Is a statistical measurement of the relationship between two variables. Range from +1to-1.
Correlation coefficient
Is the measure of the direction and extent of the relationship between two sets of scores. Range from -1to+1
Scatterplot
Is a visual representations of the relationships or associations between two numerical variables, which are represented as dots or points.
Illusory correlation
Is the perception of a relationship between to variables when only a minor or absolutely no relationship actually exists.
Experimental group
Is the group in a scientific experiment where the experimental procedure is formed.
Control group
Is a group separated from the rest of the experiment where the independent variable being tested cannot influence the result.
Double blind
Is an experiment in which information about the test that might lead to bias in the results is concealed from the tester until after the test.
Procedure
A series of steps taken to accomplish an end:a medical,procedure.
Placebo
Is a simulated or otherwise medically ineffectual treatment for a disease or other medical intended to deceive the recipient.
Independent variable
Is the variable that is changed in a scientific experiment.
Confounding variable
Is an extraneous variable whose presence affects the variables being studied so that the results you get do not reflect the actual relationship between the variables underlined.
Dependent variable
Is the variable being tested i. The scientific experiment.
Validity
Helps ensure that the test is in accordance with certain professional standards to measure what it is supposed to measure.