In an advertising effectiveness experiment, a researcher is faced with the question of whether sales increased because of advertising or because of economic or competitive changes in the marketplace. This question involves the internal validity of the experiment.
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Q1: Experiments are defined as studies in which
Q2: When there is a high degree of
Q3: The internal validity of an experiment depends
Q5: The history effect occurs when events external
Q6: Marketing intelligence is primarily about causal relationships
Q7: If two variables are causally linked, they
Q8: A researcher studying the effectiveness of advertising
Q9: For a study to be called an
Q10: Laboratory experiments give the researcher greater control
Q11: While choosing the experimental design, researchers need
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