In an experiment, confounding occurs whenQuestion 4Answera.more than one independent variable is manipulated.b.an uncontrolled variable covaries with an independent variable.c.an interaction occurs between three or more independent variables.d.an interaction occurs between two independent variables.

When a confound exists in an experiment, it places restrictions onQuestion 5Answera.interpretations of the main effects.b.the statistical significance of the results.c.interpretations of the interactions.d.statements made about causation.

_____ occur when the behavior of the participants is influenced by the experimenter's knowledge of who is in which condition.Multiple choice question.Confounding variablesExperimenter expectancy effectsSingle-blind studiesPlacebos

Any variable, other than the independent variable, that may be influencing the dependent variable in a systematic way that lead to mistaken conclusions about cause and effect is referred to as a/an _____ variable.Question 10Answera.design flawb.confoundingc.placebod.error

What variable is sometimes called an outcome variable?a.Dependent variableb.Controlled variablec.Confounding variabled.Independent variableClear my choice

An experiment involves Blank______ one variable and observing the effect on another variable.Multiple choice question.correlatingconfoundingmeasuringmanipulating