Thunder's Place

The big penis and mens' sexual health source, increasing penis size around the world.

Anyone make a size breakdown bell curve? I mean...

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Originally Posted by MDC
Thinking about these things too much will make your head explode!

The more you read anecdotal stuff, the more you believe that standard deviations don’t apply to penis size.

So true!


NBP Goal 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 | 17.5 | 18 | cm

MEG Goal | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | cm

This was a post from 2003 but I am glad it’s being discussed again. Anyway guys, I made some statistical analysis of the PE Data, specifically the Pre-PE Data, from the file provided by thunder’s and I came to some interesting conclusions, specially for me to determine what I want from PE and to set my goals.

But also from the frequency of taking repeated random samples from the data (this is called monte carlo simulation) I estimated what is the probability of girls encountering big ones depending on the number of partners they had in their lives, this is a good thing for a series of matters, one particularly is for some guys that I saw right here in thunder’s believing that their girls only had big cocks in their lives, mainly based on what the girl said to the guy after some time in their relationship, I believe based on statistics that all these girls are lying, unless in the cases reported bellow, the probability of only encountering big dicks for a girl with 10 partners in her life for example is less than after 10 coin tosses landing 10 heads in a row (which is 0.098% for those that are curious).

My conclusions of these related posts, the girl:

1) is lying
2) is part of some sort of big dick’s club for girls
3) was a porn star who performed mainly with guys with big dicks
4) had not much partners in her life, almost certainly less than 3 (remember in almost every study say women are more likely to say they had less partners than the real number)
5) she ditches guys who are not big (in which case you can wonder why she is with someone that’s not big by her standards)

Hypothesis 2 to 5 are jokes. 10 big guys in a row can happen of course, but the whole point of it is that it is extremely unlikely.

We can see all of this only using data from thunder’s which contains more than 5000 entries for BPEL and MSEG and therefore is a good source by the law of large numbers.

If someone is interested I can post about this later when I have some spare time.


BPEL: 6.7″ (17.0 cm), NBPEL: 6.1" (15.5 cm), MSEG: 5.7″ (14.5 cm)

I really think it’s about time we stopped quoting the Kinsey study, the Durex survey, and the Lifestyles study.

All are flawed.

For the Kinsey and Durex surveys, self-measurement doesn’t work. We all want to give ourselves a little padding.

The Lifestyles study was voluntary and the men that couldn’t get an erection were not counted. It wasn’t stated if the results were bone pressed or non-bone pressed. Even so, the subjects were mostly young college students so we can expect mostly thin fat pads. I think the reason people get excited about it is because the average came out to less than 6”. If you look at the medians of the results, they’re significally smaller than the averages.

The median size was 5.65x4.67. Should be a bit of a wake up call.

Do you really think those with penises that they even think are below average would volunteer to whip it out and get measured? I’m sure those with larger penises would gladly line up.

Sample size was a bit on the small end as well.

I’m sure if you did a forced study, with medically induced erections, you would find the average, bone pressed, to be be between 5.5 and 5.75 and girth to be somewhere between 4.5 and 4.75.

The bell curve does apply, its pretty much the standard for any natural variation and people are pretty naturally distributed. Its controversial part is the gradient or the rate at which we fall away from the average, some would argue its not steep and the extremes happen more often but from what I know the majority are fairly close to the average.

Originally Posted by kurukshetra
This was a post from 2003 but I am glad it’s being discussed again. Anyway guys, I made some statistical analysis of the PE Data, specifically the Pre-PE Data, from the file provided by thunder’s and I came to some interesting conclusions, specially for me to determine what I want from PE and to set my goals.

But also from the frequency of taking repeated random samples from the data (this is called monte carlo simulation) I estimated what is the probability of girls encountering big ones depending on the number of partners they had in their lives, this is a good thing for a series of matters, one particularly is for some guys that I saw right here in thunder’s believing that their girls only had big cocks in their lives, mainly based on what the girl said to the guy after some time in their relationship, I believe based on statistics that all these girls are lying, unless in the cases reported bellow, the probability of only encountering big dicks for a girl with 10 partners in her life for example is less than after 10 coin tosses landing 10 heads in a row (which is 0.098% for those that are curious).

My conclusions of these related posts, the girl:

1) is lying
2) is part of some sort of big dick’s club for girls
3) was a porn star who performed mainly with guys with big dicks
4) had not much partners in her life, almost certainly less than 3 (remember in almost every study say women are more likely to say they had less partners than the real number)
5) she ditches guys who are not big (in which case you can wonder why she is with someone that’s not big by her standards)

Hypothesis 2 to 5 are jokes. 10 big guys in a row can happen of course, but the whole point of it is that it is extremely unlikely.

We can see all of this only using data from thunder’s which contains more than 5000 entries for BPEL and MSEG and therefore is a good source by the law of large numbers.

If someone is interested I can post about this later when I have some spare time.

Bring it on its kind of interesting to bring back things into proportion.

The thinking that 7bp is small is really unhealthy.

Originally Posted by dickerschwanz
Bring it on its kind of interesting to bring back things into proportion.

The thinking that 7bp is small is really unhealthy.

Agreed. It’s odd as to what people “think” is small and what is “actually” small. 7bp, according to the numbers is quite large. Men often lie about their size, which doesn’t help the situation.

I’ll never forgot a girl who asked me, “You’re what, 9?”

I laughed and told her the truth, to which she responded with: “There’s no way you’re only 7”, my last boyfriend was 8” and you’re much bigger.”

I’ve always said this. In a woman’s world, it breaks down into 3 sizes: 4”, 8”, and 10”. When in reality, the sizes they’ve encountered were more like: 5”, 6”, and 7”.

As I said I saw this right here on Thunder’s*, in the same thread there’s a guy that believed that his girl with more than 10 partners only had really big ones, he was also well above my definition of big, she said more than 7 guys were bigger than him, and apparently he believed in her. Some guys really have a complex with this.

I defined big as simple an standard deviation (SD) above the mean, for both girth AND length (this is not exactly a good definition for me). Using the data from Thunder’s if you do the simulation that I did for 50000 samples with 50 events you get that 3 of 50 are the average number above length and girth at the same time, barely saying this is the same as saying if you get 50000 girls with 50 partners they would probably have only 4 partners above one SD from the mean in both length and girth in their lives.

When I have some time I will post this, the analysis and some statistics behind it in lay terms in a new post.

* Real Average Must Be Bigger By the way the guy understands nothing of statistics.


BPEL: 6.7″ (17.0 cm), NBPEL: 6.1" (15.5 cm), MSEG: 5.7″ (14.5 cm)

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