Chapter 1: Problem 15

Explain the main features of an experiment.

Short Answer

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The main features of an experiment include defining the problem or research question, stating a hypothesis, identifying the independent and dependent variables, setting up control and experimental groups, detailing the procedure, executing data collection and analysis, and summarizing with the conclusion and potential future research directions.

Step by step solution

Define the Problem or Research Question

The first step in forming an experiment is clearly defining the problem or research question that is being investigated. This sets the direction for the entire study, and it's critical to clarify this in the beginning.

State the Hypothesis

The hypothesis makes a prediction about the potential outcome of the study. It is based on the understanding of the known facts, existing studies and parameters of the problem or research question.

Identify the Independent and Dependent Variables

In an experiment, the independent variable is the factor that is manipulated by the researcher and the dependent variable is the factor that is measured or observed. Identifying these variables correctly is key to the validity and reliability of the study results.

Set Up Experimental and Control Groups

An experiment includes at least two groups: the experimental group that is exposed to the independent variable, and the control group that is not exposed. The contrast between these groups helps establish a causal relationship.

Describe the Procedure

The procedure of the experiment includes a detailed explanation of how the experiment will be carried out. It should be precise and repeatable so that the experiment could be replicated by any researcher.

Explain the Data Collection and Analysis

This step involves explaining how the data will be collected and analyzed. It involves detailing the tools and techniques that will be used for data collection and how the data will be interpreted and analyzed to draw conclusions.

Summarize the Conclusion and Future Directions

The conclusion sums up whether the hypothesis was supported or rejected, and what was learned from the experiment. Moreover, suggestions for future research based on the findings of the study should also be discussed in this step.

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Explain the main features of an experiment.

Short Answer

Step by step solution

Define the Problem or Research Question

State the Hypothesis

Identify the Independent and Dependent Variables

Set Up Experimental and Control Groups

Describe the Procedure

Explain the Data Collection and Analysis

Summarize the Conclusion and Future Directions

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