Maximum number of slides?

[Tom007]

I'm working on doing a slideshow quiz (Photographic Periodic Table (Slideshow)) based on the stunning element collection and photography of Theodore Gray found here.

I really, really want to put all 112 represented elements in the same quiz, but feel like that is too many for just 20 minutes, especially considering the difficulty and vagueness of many of the images and descriptions.

So should I split it into two quizzes, or just wait and see if a 30 minute timer is eventually added? I know most slideshows are in the 20-30 slide range, but what is considered the maximum number, while still being an enjoyable quiz? Any thoughts would be appreciated.

[beforever]

I had the same thing to consider with my animal quizzes. I could've gone to infinity in one great big slideshow, but in the end, I chose 25 as my number of slides for each.

Sticking within the 20-30 slide range seems more logical to me than including the whole collection. My concern for you would be that it would be so difficult and long that it bores the player out.

[popestcyril David W. Quatrone]

Why not consider breaking them up into groups as separate quizzes?  Just a thought.

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[Bazmerelda]

Having 197 countries didn't stop thousands of people playing some of the slideshow country outline quizzes. Personally I'd get bored by such a large slideshow, but there is clearly a market for them. Splitting the quizzes up into periods or groups would be a logical way to make the quizzes smaller, but it would also make them quite easy unless you added wrong answers.

[Anderson(Blackhawks65)]

Tom, that quiz looks impressive, even though only seventeen elements are on there as of right now. I'd say to use the twenty minute time and add as many slides as you can. Because of only twenty minutes of time, I'd use only the natural elements. (92, stopping at uranium). popestcyril and bazmerelda have both had good suggestions. I was about to say, you should randomize the order, but sadly that's not possible in slideshows, so as bazmerelda said group them into periods. When you are done with the quiz, could you send me a link at sporclebl...@gmail.com? I would like to check out the finished version.

[beforever]

Countries is one thing. So many of us know them and find it fun to test ourselves on memorizing them, their capitals, flags, outlines, etc.

Pokémon is another thing. Each one is distinctive-looking.

But elements - that is not easy. Metals look like each other. Gases look like each other. Far more people know their Koffing from their Chansey, or their Kiribati from their Yemen, than people would know their technetium from their rubidium.

And to address the random order thing Blackhawks65 mentioned, I think it's sufficient to present the elements in each slideshow 'randomly' yourself in the order you set up your data. Random order would only increase the benefit a little, I feel. I think more people are inclined to give it one shot and then leave, rather than try it again.

[SproutCM]

I considered making a quiz from the Theodore Gray photographs of the elements a few years ago, but I couldn't get his permission to do so.  So, if you are using art or photography all from the same artist, most sporclers try to contact the person to get permission first, which is why you see a lot of quizzes that say with the permission of the artist and go visit their site and show them some love. Also, most of the 80 metals on the table all look exactly the same, even to me with my PhD in chemistry.

Chris/SproutCM

[DesertSpartan]

Several years ago, I did a presentation on XBRL (here is a link on XBRL http://xbrl.us/Pages/default.aspx).  At the time, and perhaps still today, very few had ever heard of it, but it is a major advancement in making reporting and tracking finances and financial transactions easier throughout the world for various reasons and not just government regulation and taxation.  When I made my presentation, I tracked down both gentleman that are credited with creating and implementing XBRL.  Both were shocked that I was even able to I track them down and both, were very busy because the proximity of various nations implementation deadlines.  They still took time and gave me valuable insight.  Both also asked me to pay it forward in exchange for their permission and help.  I have since worked with Universities to discuss my field with students.  I do not regret obtaining permission or paying it forward.  BTW, they only asked me to match each hour they helped me with an hour helping students.  I've spent far more time than that working with students and head the local academic committee for my professional association.

My point is, Sprout is absolutely correct that in such instances, an effort should be made to obtain permission and give credit to appropriate sources, whether required by intellectual property laws or just as common courtesy. 

[Tom007]

Thanks for the advice everyone. I sent Theodore Gray an email asking for his permission, and am awaiting his response. Thanks again.