“Skytherm: an Approach to Year-Round Thermal Energy Sufficient Houses”, S. Raeissi, M. Taheri2000-04 ()⁠:

The skytherm system, a roof covered with water filled plastic bags equipped with movable insulation, is studied and a model is presented to predict its thermal behavior.

A computer program is written to calculate hourly cooling and heating load requirements of a building and is validated by comparison with field data taken from an actual house in Shiraz, Iran. This program is then used to simulate metal and concrete skytherms.

It is shown that for a 140.55 m2 one story house, the skytherm system is capable of reducing heating demands by 86% and cooling loads by 52%.

/doc/psychology/personality/conscientiousness/2016-crede.pdf Much Ado About Grit: A Meta-Analytic Synthesis of the Grit Literature Marcus Credé, Michael C. Tynan, Peter D. Harms 2016-06-16 10.1037/pspp0000102

Grit has been presented as a higher order personality trait that is highly predictive of both success and performance and distinct from other traits such as Conscientiousness. This paper provides a meta-analytic review of the grit literature with a particular focus on the structure of grit and the relation between grit and performance, retention, Conscientiousness, cognitive ability, and demographic variables.

Our results based on 584 effect sizes from 88 independent samples representing 66,807 individuals indicate that:

the higher order structure of grit is not confirmed, that grit is only moderately correlated with performance and retention, and that grit is very strongly correlated with Conscientiousness. We also find that the perseverance of effort facet has statistically-significantly stronger criterion validities than the consistency of interest facet and that perseverance of effort explains variance in academic performance even after controlling for Conscientiousness.

In aggregate our results suggest that interventions designed to enhance grit may only have weak effects on performance and success, that the construct validity of grit is in question, and that the primary utility of the grit construct may lie in the perseverance facet.

[Keywords: grit, performance, meta-analysis, perseverance of effort, consistency of interest]