Erin studies whether commercials with happy music will make people buy more of a product. The control group watches a skittles commercial with no music, while the experimental group watches a skittles commercial with happy music. After, participants are told they can pick out snacks from the vending machine, which contains skittles and several other snack choices. Erin notes the snacks they chose. How is Erin operationally defining the dependent variable? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a the number of times participants in each group visit the skittles website. b the number of bags of skittles that are selected from the vending machine. C the amount of time it takes participants to select a snack from the vending machine. d the brightness and happiness of music playing in the commercials.
In the field of research, operational definitions play a crucial role in clearly and precisely defining the variables under investigation. They help researchers establish measurable parameters and ensure consistency in their study design and data collection. This essay focuses on how Erin, a researcher studying the influence of music on consumer behavior, operationally defines the dependent variable in her experiment.
Erin’s study aims to explore whether the presence of happy music in commercials affects consumers’ snack choices. To assess this, she employs an experimental design with two groups: a control group and an experimental group. The control group watches a skittles commercial without music, while the experimental group watches the same commercial with happy music. Participants are then allowed to choose snacks from a vending machine, which contains skittles and other options.
In this study, Erin operationally defines the dependent variable as “the number of bags of skittles selected from the vending machine.” This operational definition provides a clear and measurable indicator of participants’ snack choices. By quantifying the specific outcome of interest, Erin can analyze and compare the data between the control and experimental groups to draw conclusions about the impact of music on consumer behavior.
The operational definition of the dependent variable is crucial for several reasons. Firstly, it allows for consistency and replicability in research. By clearly specifying what is being measured, other researchers can replicate the study and obtain similar results, enhancing the reliability and validity of the findings.
Secondly, an operational definition enables precise data collection. In Erin’s study, recording the number of skittles bags selected provides quantitative data that can be analyzed statistically. This allows for meaningful comparisons between groups and helps determine the influence of happy music on consumer snack choices.
Additionally, operational definitions support the objectivity of research. By using specific and measurable indicators, researchers minimize subjective interpretations and biases, enhancing the scientific rigor of the study.
While Erin’s operational definition effectively captures participants’ snack choices, it is important to acknowledge potential limitations. For instance, the study focuses solely on skittles selection from the vending machine, which may not fully reflect participants’ overall snack preferences. Additionally, the operational definition does not capture factors such as taste preference or the influence of other variables that may impact snack selection.
Operational definitions play a crucial role in research, enabling researchers to precisely define and measure variables of interest. In Erin’s study on the influence of music on consumer behavior, the operational definition of the dependent variable as “the number of bags of skittles selected from the vending machine” allows for the quantitative assessment of participants’ snack choices. By employing clear and measurable indicators, researchers can obtain reliable data and draw meaningful conclusions about the impact of music on consumer decision-making. Operational definitions contribute to the objectivity, replicability, and rigor of scientific research.
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