QR Challenge: RM tests

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question	Answer
1. Which test would you use if you were testing for a difference, using ordinal data and independent measures?	Mann Whitney U
2. What test would you use if you had met the parametric criteria, used an independent measures design and were testing for a difference?	Independent T test
3. What is the conventional level of significance used by psychologists?	0.05
4. Name the two tests used for correlational research.	Pearson's Product Moment Correlation and Spearman's Rho/Rank order correlation.
5. What test would you use if you were tesing for either a difference or association, your data was nominal with an independent measures design?	Chi Squared
6. What are the 3 parametric criteria?	Interval data, Homogeniety of variance and Normal distributed population.
7. What is the appropriate test if you have used repeated measures and your data is nominal?	Sign Test
8. Other than level of measurement name one criteria for the use of a parametric test.	Homogeniety of variance or Normal distribution
9. How would you test for a normal distribution?	Bell shape curve on a graph or mean, median and mode are very similiar/same
10. If you have met the parametric critria and used repeated measures or matched pairs design what is the apporpriate test to use?	related T test
11. Wilcoxon's test needs what criteria - name two?	Test of difference, repeated measures and ordinal data.
12. When making a decision on whether to accept your hypothesis and reject the null what do you have to compare?	Calculated and critical values
13. Using a 0.01 level of significance what is the likelihood the results are due to chance?	1%
14. Why is it better to use a parametric rather than a non parametric test?	Parametric tests are more sensitive to the features of the data as no information is lost due to ranking
15. If a psychologist found a difference at the 10% level what would they conclude and why?	The results are not significant so the null hypothesis cannot be rejected because the difference has been found at the 10% level which is greater than the minimum level of acceptable significance (0.05)