Yes, that fact wasn’t apparent to me in the original post. Ok, but you’ve helped him restructure is data into one record per person. I remember seeing David’s post last week but I didn’t understand the intention.
Now I do. In his/her off-list reply to me, she names a specific analysis question: card 2 more likely to be picked first. I also see that I didn’t read whole message. I missed this “But then I also want to compare the rankings of the search goods with
the rankings of the experience goods. To see if there is a difference. Another hypotheses of my is that people will choose for more positive reviews for an experience good then for a search good.”
As I understand these two statements, I don’t think they are analyzable because I do not see how to relate “rankings of the search goods” to a specific variable in the dataset. Same issue for “more positive reviews”.
There’s a comparison between search goods and experience goods to be made, so a repeated measures design but more information is needed to move forward.
Gene Maguin
From: SPSSX(r) Discussion [mailto:[hidden email]]
On Behalf Of John F Hall
Sent: Monday, January 04, 2016 11:27 AM
To: [hidden email]
Subject: Re: Beginner is stuck with SPSS
Gene
One of Freek’s problems was that each of his 30 cases had two lines of data, one for search and one for game, making 60 cases instead. Also data for sex, age and online review and purchase behaviour
were only in the first line. I’ve helped him to re-organise the matrix so that there are now 30 cases, with all the Smartphone data in one set of variables and all the computer game data in another set.
This still leaves a logical problem when trying to analyse both sets together. That would involve some complex programming for new (temporary?) variables to contain data for search and game in the
same table. Given his deadlines it could well be quicker for him to produce separate tables, copy the counts manually into a separate table and then do the stats by hand.
David suggested VARSTOCASES, but I’m not sure if this would actually help.
Happy New Year as well
John
John F Hall (Mr)
[Retired academic survey researcher]
Email:
[hidden email]
Website:
www.surveyresearch.weebly.com
SPSS start page:
www.surveyresearch.weebly.com/1-survey-analysis-workshop
From: SPSSX(r) Discussion [[hidden email]]
On Behalf Of Maguin, Eugene
Sent: 04 January 2016 16:13
To: [hidden email]
Subject: Re: Beginner is stuck with SPSS
Your reply was very helpful. Thank you.
You expect that more people will choose card 2 first.
It seems to me that that this is simply a one sample chisquare test or a binomial test (in spss: Npar tests). Choosing one of six cards is like rolling one dice. In a fair dice the long run expectation is that
‘2’ comes up 16.6…% of the time. Same here. So, your test is card 2 first versus any other card first with an expected value of .166….
Gene Maguin
From: freek kuper [[hidden email]]
Sent: Friday, January 01, 2016 8:22 AM
To: Maguin, Eugene <[hidden email]>
Subject: RE: Beginner is stuck with SPSS
Hi
First of all thanks for all the replies!
I do have some experience with SPSS. But then I didn’t put the data in my self. I did a few simple tests, T-tests, regressions, put variables together etc., I think most of the basic stuff. I even had an exam about this. But now I have
to put the data in my self and find out what tests I should use.
There is indeed a ranking of the cards plus the two follow up questions.
I’ll try to explain this sentence:
“But I made a difference between search products (smartphone) and experience products (computer game). For both product categories I did exactly the same. Thus now I have two times an order of 6 ‘cards’ with two answers
each.”
Every person first saw the six cards for the smartphone (thus the search product). I now have a ranking of the cards for the search product and the two follow up questions. Then I showed them the cards for the computer game (thus the experience
product). Now I have also a ranking of six cards with two follow up questions each. Thus now I have 30 responses for a search good and 30 responses (the same participants) for the experience product.
I hope this explains it.
Now I want to see what the ranking is. In one of my hypotheses, based on scientific articles, I said that people will pick card 2 as the first choice. I want to check if this is significant (if that is even possible). But I might also be
able to this with just the descriptives. But then I also want to compare the rankings of the search goods with the rankings of the experience goods. To see if there is a difference. Another hypotheses of my is that people will choose for more positive reviews
for an experience good then for a search good.
I hope I explained it a bit better now.
Thanks again!
Freek
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Verzonden: donderdag 31 december 2015 20:41
Aan: [hidden email]
Onderwerp: Re: Beginner is stuck with SPSS
I think I understand the basic design: Each person picks one of six cards and answers two questions about that card. Repeat that process for the five remaining cards. So your data is a ranking of the cards plus
the two followup questions about each card.
However, I’m confused by this sentence, “But I made a difference between search products (smartphone) and experience products (computer game). For both product categories I did exactly
the same. Thus now I have two times an order of 6 ‘cards’ with two answers each.” Please explain this sentence in operational/behavioral terms. Your placement of this data value (variable 6) in the data layout you included
(Thank you very much for that) suggests that your people declared “Search” or “Experience” before you showed them the set of cards. So, the value of variable 6 applies to the set of responses that follow, i.e., variables 7-24. But, then you say this, “Thus
now I have two times an order of 6 ‘cards’ with two answers each.” Maybe there’s really a different story.
Confusion in à confusion out.
Gene Maguin
From: SPSSX(r) Discussion [[hidden email]]
On Behalf Of freek kuper
Sent: Thursday, December 31, 2015 7:50 AM
To: [hidden email]
Subject: Beginner is stuck with SPSS
Hi all!
I’m stuck with my report. I collected some data, but now I don’t know what to do in SPSS. First some background about my report and data collection:
I interviewed 30 people. They had to choose between 6 ‘cards’. Every card represent a product. This way I find out which product my participants would buy. If they choose one ‘card’, I asked two questions. One question about
credibility and one about where to buy this product. Both with a Likert scale of 1 to 5. I did this until there were no ‘cards’ left. Thus the results are something like this for example: Card 5, 3, 4; Card 1, 2, 2; Card 3, 4, 2; etc. till all six ‘cards’.
But I made a difference between search products (smartphone) and experience products (computer game). For both product categories I did exactly the same. Thus now I have two times an order of 6 ‘cards’ with two answers each.
I also asked their sex, age and three introduction questions with a Likert scale of 1 to 5 before I conducted the tests with the ‘cards’.
What I want to find out if there is a difference between the choices of cards that the participants made for search and experience products. Thus I want to compare them to each other. Do people make
other decisions for a search product than for an experience product. However I have no idea how to do it. My supervisor told me to use Anova in SPSS. I’ve checked some videos and manuals. But I don’t know how I can test, what I want to test.
I put my data in SPSS in the following manner:
Variable 1 – Age
Variable 2 – Sex
Variable 3 – Introduction question 1
Variable 4 – Introduction question 2
Variable 5 – Introduction question 3
Variable 6 – Search product or Experience product
Variable 7 – First choice (Thus did you choose card 1, 2, 3, 4, 5 or 6)
Variable 8 – Credibility 1
Variable 9 – Where to buy (in a store or online) 1
Variable 10 – Second choice (Thus card 1 till 6 with exception of your first choice of course)
Variable 11 – Credibility 2
Variable 12 – Where to buy 2
Variable 13 – Third choice (Thus card 1 till 6 with exception of the first two choices of course)
Etc., till all six cards are gone.
Thus what I want to find out is, if the order of cards people choose will be different for search and experience products, the credibility and where to buy this product for every card.
I wish you all a happy new year and I hope that one of you could help me out! Thanks in advance!
Freek
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