Overall, I think I've had a far greater success rate /w PUGs than average. For an example, I'm drawing on my experience last night, where either the technique worked -- or I got very lucky. Regardless, I start with an advertisement of _each_ slot. Then I conduct interviews and as a team assign roles. During the mission I provide constant feedback on performace. In this session, a repremand wasn't needed; but, sometimes a two-second (private) repremand can go along way towards having a group play well together. Without further ado, here were my advertisements:
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Help Wanted: Monk needs a Mesmer to Shut-Down [Specific-Caster-Type]
I got 3 replies. One response was: "I'll shut down those pesky [xxx] for you. I use inspiration to drain their energy, and then I interrupt them with domination skills". Hired. I confirmed that he had 2h to play, and I instructed him to go take a break for 10-15 min while I hire more.
Help Wanted: Monk needs a Ranger to Cripple, Distract, and cause Mahem
I got 6 replies. One response was: "Not only can I cripple and distract, I'm an excellent puller/runner; and I carry rebirth". Hired. I confirmed he had 2h to play, and instructed him to take a break for 8-13 minutes.
Help Wanted: Monk needs a Necromancer to Weaken and Steal Life
I got 4 replies. Two of them happened to be death necromancers, which I didn't ask for. One of them was a ne/wa, but he told me he did "alot of dmg"; no thanks. I asked for weaken. Finally, I got a Ra/Ne that replied, and said: "I'm a ranger, but I use the curses line (10). I do enfeebling blood and barrage". Hired. I confirmed he had 2h to play, and instructed him to take a break for 6-11 minutes.
Help Wanted: Monk seeks Elementalist to AoE. I want them dead.
I got 2 replies at first, and then 3 more. The fella that described how he could take-out a large group "if you can convince the warrior to clump them". Hired. I confirmed he had 2h to play, and instructed him to take a break for 5-12 minutes.
At this time... something suprising happened. I had 2 monks on my "join" bar. One of them sent me a message: "are you hiring another healer?". I replied to ask: "are you a tank?" The person responded: "ah, no". Hired. I confirmed they had 2h to play, and could take a break for 3-7 minutes. The monk later told me that he was "impressed" that I wasn't advertising for a monk. Sometimes the best way to get a good partner is to play "hard to get"

So, at this time, I had:
- Mo/Ra (protection monk)
- Me/Mo (drain/interrupt mesmer)
- Ra/Mo (puller, distractor, rezzer)
- Ra/Ne (barrage, weakener)
- El/Mo (nuker)
- Mo/Me (full healer)
Things are looking pretty. I've got 2 more hires left.
Help Wanted: Monk seeks Tank to protect and occupy incoming warriors
I got a bunch of replies. I got lots of invites; but only one reply. This fella asked me to "give him a chance" and said he'd "keep those axe blades busy". I asked him if he knew how to aggro, and he replied: "I'm an elementalist's best friend". Hired. I told him we'd be leaving in about 2-5 minutes.
I did very good up to the last hire, another elementalist; he disconnected at the first sign of difficulty. This was my fault -- it was a bad hire. I had forgotten to ask him for 2h of his time. Asking people to commit to 2h is very important -- it is a promise. It reminds people that they are working with other humans and that they are wanted. You have to ask, and they have to accept. Also, since he was the last person hired, I don't think he knew that everyone in the group had been explicitly hired.
Anyway, before we left, I spent another 30 seconds reviewing for each of them what their role was. What I expected them to do; this was in the "team chat" so that everyone could see that everyone else was given a job. People don't mind working if they know that others are also working. They are willing to forgive mistakes if they see that everyone else is committed. Interestingly enough, the last hire started to show problems this early -- he insisted that he was going to do a Mark of Rogot rather than using AoE spells. I should have kicked him right there -- bad hires do make themselves known early, if you are willing to listen.
The last thing I did, was, between each "breather", complementing each person. The first time through, I complemented the other healer. Then I complemented the tank for "excellent clumping". Then, when we had casters, and the bars were not going down, I complimented the mesmer. By the time we were 20% into the mission, everyone had been complemented at least once. Compliments do several things:
- You re-enforce what role you need them to play for the team build; if they get complemented for building a aggro circle for the Elementalist, they will continue to do this.
- When they are complimented, it makes them feel appreciated; and this reduces the chance of a disconnect. A small complement can go along way towards building loyalty.
- When one person is complimented, it brings to the attention of the rest of the team that they are playing with good people. It also reminds them that they are in a "team" rather than soloing with henchmen.
Positive re-enforcement during a mission is as important as good hiring pratices. As my real-life manager/mentor would tell me: if you have one bad-apple, that is to be expected. If you have mostly bad-apples, you are doing something wrong -- it is a mangement failure. So, I leave with one question to those who complain about PuGs:
Is it the PuG that was bad -- or the management of the PuG?