Identify the independent (or quasi-independent) and dependent variables in the following examples. Also have identify the type of manipulation used for the independent variable and the scales of measurement for the dependent variable(s). Discuss each example and consider any confounding variables that may pose a problem for the study. Researchers design a study to measure responses of subway passengers to information announced over the intercom. The same announcement will be made by the conductor, but in one condition, a bell noise will precede the announcement. At the next stop, passengers will be interviewed to determine whether they heard they announcement and if they could decipher the message.
Identify the independent (or quasi-independent) and dependent variables in the following examples. Also have identify the type of manipulation used for the independent variable and the scales of measurement for the dependent variable(s). Discuss each example and consider any confounding variables that may pose a problem for the study.
Researchers design a study to measure responses of subway passengers to information announced over the intercom. The same announcement will be made by the conductor, but in one condition, a bell noise will precede the announcement. At the next stop, passengers will be interviewed to determine whether they heard they announcement and if they could decipher the message.
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