Experimentation and Data Collection Quiz
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Experimentation and Data Collection Quiz

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Questions and Answers

What is an experimental variable?

An aspect of an experiment that changes during the course of the experiment.

What is the control in an experiment?

The variable of part of an experiment to which all others will be compared.

What are blind experiments?

Experiments in which information about the test is kept from the participants to reduce bias.

What are double-blind experiments?

<p>Experiments in which neither the experimenters nor the participants know the objects’ identities on the setup.</p> Signup and view all the answers

What is subjective data?

<p>Data collected based on the opinions of people.</p> Signup and view all the answers

What is objective data?

<p>Measurable data, not based on how someone feels about something.</p> Signup and view all the answers

What is a bar graph used for?

<p>To compare items or to show relationships between groups.</p> Signup and view all the answers

What does a double bar graph compare?

<p>The relative sizes of 2 sets of data.</p> Signup and view all the answers

What is the purpose of a legend in a graph?

<p>Gives you information about a graph so you can better read it.</p> Signup and view all the answers

What is a circle graph or pie chart used for?

<p>To report data and visualize the size of parts of a whole.</p> Signup and view all the answers

What do line graphs record?

<p>Individual data as points on a graph that can be connected.</p> Signup and view all the answers

What is the x-axis in a graph?

<p>The horizontal line representing the independent variable.</p> Signup and view all the answers

What is the y-axis in a graph?

<p>The vertical line representing the dependent variable.</p> Signup and view all the answers

Study Notes

Experimentation

  • Experimental Variable: An aspect that changes during the course of the experiment.
  • Control (of an experiment): The variable or part of the experiment used for comparison with all other variables.
  • Blind Experiments: Information about the test is withheld from participants to minimize bias.
  • Double-Blind Experiments: Neither the experimenters nor the participants know the identities of the experimental setup.

Data Collection

  • Subjective: Data based on personal opinions.
  • Objective: Measurable data that is not based on personal feelings or preferences.

Data Representation

  • Bar Graph: Useful for comparing items or demonstrating relationships between groups. Shows changes overtime and emphasizes significant differences in data.
  • Double Bar Graph: Compares the relative sizes of two sets of data.
  • Legend: Provides information to understand a graph. Identifies different sets of data.
  • Circle Graph/Pie Chart: Represents data by dividing a circle into portions, revealing the size of parts compared to the whole.
  • Line Graphs: Record individual data points, enabling identification of changes from point to point.
  • X-axis: The horizontal line represents the independent variable.
  • Y-axis: The vertical line represents the dependent variable.

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Description

Test your understanding of key concepts in experimentation and data collection. This quiz covers variables, types of experiments, and methods of data representation. Gain insights into subjective and objective data and their uses in research.

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