Sentences with phrase «about selection bias»

And the positive findings for many faith - based programs were tempered with cautions from the authors about selection bias.

Not exact matches

These results raise questions about treating on - line venues (or even on - line dating sites) as a homogeneous lot and also underscore the potential for selection bias and the importance of addressing it.

Importantly, our null effect estimates from the random experiment differ substantially from those found from an analysis of CPS data, raising concerns about the potential for selection bias in non-experimental estimates of returns.

[11] Another study randomly assigned students to teachers and found that selection bias was only a small problem, although there is debate about the interpretation of this result.

Assuming the parents were right I've amended my approach to suggest that there was some inherent bias in the selection process since it required parents to know about the lottery and go through the process as well as a related out - migration system in which students that didn't fit the mold were sent back to the public school system.

, b) plays a role, but only within the 10 % stretch band, c) matters, but one can always find a portfolio's worth of low absolute valuation stuff (if one doesn't worry about the implied adverse selection bias that when everything else is pricey, the cheap stuff is much more likely to be cheap for a good reason), or d) something else?

Fortunately, I believe there's plenty of stock selection techniques, or filters, you can employ — some of these are all about focusing on your existing (and / or unconscious) negative investing biases, while others are more about promoting positive biases.

Prof. Gardner raises concerns about the construction of the images, the selection of the attributes, the impact of more detailed learning, and the relative importance of attributes, although she kindly acknowledges the meticulous work we did to minimize biases in many of these areas.

Your point about «selection bias» by choosing IPCC as a filter has more merit.

I believe it is called sample selection bias when one looks at only a small subset of the data and attempts to draw conclusions about he validity of the full dataset.

The appellant raised concerns about racial bias both before and during the jury selection, but his lawyer nonetheless failed to tell Fraser that he had the right to challenge for cause.

Limitations include the nonrandom assignment of participants, possible selection bias, and concerns about generalizability due to the narrow population studied.