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Research Methods

Horizontales
relationship between two or more variables; when two variables are correlated, one variable changes as the other does
method of experimental group assignment in which all participants have an equal chance of being assigned to either group
serves as a basis for comparison and controls for chance factors that might influence the results of the study—by holding such factors constant across groups so that the experimental manipulation is the only difference between groups
two variables change in different directions, with one becoming larger as the other becomes smaller; a negative correlation is not the same thing as no correlation
number from -1 to +1, indicating the strength and direction of the relationship between variables, and usually represented by r
subset of a larger population in which every member of the population has an equal chance of being selected
conclusions are drawn from observations
repeating an experiment using different samples to determine the research’s reliability
observational research study focusing on one or a few people
people's expectations or beliefs influencing or determining their experience in a given situation
experiment in which both the researchers and the participants are blind to group assignments
Verticales
well-developed set of ideas that propose an explanation for observed phenomena
description of what actions and operations will be used to measure the dependent variables and manipulate the independent variables
tendency to ignore evidence that disproves ideas or beliefs
variable that the researcher measures to see how much effect the independent variable had
tentative and testable statement about the relationship between two or more variables
when an experiment involved deception, participants are told complete and truthful information about the experiment at its conclusion