Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Leaving cert Biology

1 - scientific method

QuestionAnswer
2018 Q7 Why is it important that scientists publish the results of their research? So that the information is made widely available and to allow peer review.
2018 Q7 How can scientists avoid bias in scientific research? Large sample sizes, replicates, double blind testing, random sampling or the use of a placebo.
2017 Q9 What is the purpose of replicates in scientific experimentation? To ensure reliability, to verify a result and to avoid bias.
2017 Q9 What is a Hypothesis? An untested explanation of an observed phenomenon.
2016 Q7 Give two examples of limitations of the Scientific Method. 1. The extent of our knowledge acts as a limitation. 2. The human error factor or our ability to interpret results.
2015 Q9 What is the purpose of a Hypothesis? To form the basis of a prediction.
2015 Q9 Explain Double-Blind Testing. Neither the experimenter nor the test group knows who gets what.
2014 Q9 Where do scientists publish the results and conclusions of their investigations? They are published in scientific journals.
2013 Q9 How does a hypothesis differ from a theory? A Hypothesis can develop into a theory.
2012 Q7 In relation to scientific method, explain (i) Data (ii) replicates. (i) Data is comprised of the information gathered from observations or results. (ii) Replicates are repeats or copies of an experiment.
2011 Q7 In relation to scientific method, explain (i) Experiment (ii) Theory. (i) An experiment is a test of a hypothesis. (ii) A Theory is a hypothesis supported by an experiment.
2010 Q8 Why is a control normally used when carrying out an experiment? For comparison within the experiment, it gives a standard for results to be observed against.
Created by: neilkelly