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Questions and Answers
What is the primary goal when formulating a hypothesis in a scientific study?
What is the primary goal when formulating a hypothesis in a scientific study?
- To confirm existing beliefs
- To test theoretical assumptions (correct)
- To refine research methods
- To collect subjective opinions
Which of the following factors is least likely to impact data collection methods?
Which of the following factors is least likely to impact data collection methods?
- Personal bias of the researcher
- Time of day data is collected (correct)
- Sample size
- Research objectives
What characteristic best defines a variable in an experiment?
What characteristic best defines a variable in an experiment?
- An irrelevant aspect of the research
- An assumption made by the researcher
- Something that can change and be measured (correct)
- A fixed number throughout the study
Which of the following is an example of qualitative data?
Which of the following is an example of qualitative data?
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Which of the following describes a control group in an experiment?
Which of the following describes a control group in an experiment?
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Study Notes
Formulating a Hypothesis
- The primary goal when formulating a hypothesis is to propose a testable explanation for an observed phenomenon.
- A hypothesis should be specific, measurable, achievable, relevant, and time-bound (SMART).
Factors Impacting Data Collection
- The type of research question being asked is the least likely to impact data collection methods.
Defining Variables
- A variable is a factor that can change or be changed in an experiment.
Qualitative Data
- An example of qualitative data is a description of a participant's emotional state, such as feeling happy or sad.
- Qualitative data is non-numerical and focuses on descriptions, experiences, and interpretations.
Control Groups
- A control group in an experiment is a group that does not receive the treatment or intervention being studied.
- The control group provides a baseline comparison to the experimental group, which receives the treatment.
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