Psychology 2011 1997 Lab Week 12 Summary

These pages are demonstration pages of mixed mode deli very for an on-campus course. The curriculum and course structure has changed substantially for 1998, but these pages have been retained here as an example of a particular use of the Web in teaching.

SPSS TUTORIAL

The two exercises covered two-way ANOVAs. Students still needed reminding about things like labelling variables appropriately and attempting to understand the rationale behind the use of this analyses as a means of investigating the effects of two independent variables simultaneously on the dependent measure. The Ferguson and Takane example on page 286 was a terrific exercise in transporting data set out in a table into a data file that would subsequently be used using a two-way ANOVA. Reminders here included the premise that each individual subject is given their own row in the data file. The first column states which level of Factor A they belong , the second column indicates which level of Factor B they belong, and the third column is their score (or dependent measure). It took a few tries but I think most people now have a handle on how to set up a data file appropriately.

The final revision exercises were designed to tease out those people who have been blindly following the handouts and being satisfied with obtaining the "correct" answer on the hand-out sheets, from those people who have actually understood that SPSS is a tool for conducting statistical calculations, and that consideration needs to be given firstly as to what test is appropriate for a given research question, and how I might interpret the statistical output with respect to that question being addressed.

Below is a copy of the three questions. Answers to these should be included in text form in your lab diaries.

SPSS Revision Exercises

Open the data file named SPSS Revision File through Psych Notes finder and answer the following questions in your lab diary as a form of revision on the SPSS tutorials you have completed this semester 1) Based on this set of data which sex (regardless of level of computer use) has a more positive attitude towards computers? Please quote the type of test you use in answering this question and a statistical value that supports your conclusion. 2) Based on this set of data does level of computer use (irrespective of sex) have an effect on attitudes towards computers? Please quote the type of test you use in answering this question and a statistical value that supports your conclusion. 3) Which analysis can answer these two questions with the one process? Complete this analysis and quote the relevant statistical values confirming the above solutions and describe the level of any interaction effects between sex and computer use on computer attitude scores.

Olfaction and Taste Laboratory

This part of the lab was designed inpart to end the semester on a fun note in a relaxed environment. Nevertheless it is hoped that sensible and informed comments on the "taste and smell" exercises are included in your lab diary. For more information on this lab see Olfaction and Taste Laboratory.

Final reminders

Well the semester is near over so all that remains for you guys with respect to lab commitments is to finalise and submit your lab diaries. A review of the PSY2011 Lab pages and Weekly Summaries on the WWW should bring you up to speed on what is required in the diary. There is box outside the General Office labelled "Laboratory Report" where they can be submitted.

The final entry in your lab diary should be an evaluation of the personal learning objectives you set for yourselves. Were they met or otherwise, if not, why not? If they were, how was it that you were able to achieve them?

Please remember to submit the PSY2011 Course Evalutions at the same time, there is a separate box for them.

Good luck in your exams (though luck won't help you now) and I look forward to seeing you in second semester when we up the ante and get you guys to start designing and running your own projects.

Chris Hughes

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