When do skew-products exist?

When Do Good Parameterizations Exist?

Reproducibility in Psychological Science: When Do Psychological Phenomena Exist?

Scientific evidence has recently been used to assert that certain psychological phenomena do not exist. Such claims, however, cannot be made because (1) scientific method itself is seriously limited (i.e., it can never prove a negative); (2) non-existence of phenomena would require a complete absence of both logical (theoretical) and empirical support; even if empirical support is weak, logical...

Commentary: Reproducibility in Psychological Science: When Do Psychological Phenomena Exist?

Commentary: Reproducibility in Psychological Science: When Do Psychological Phenomena Exist?

Do Black Holes Exist?

Proof that black holes exist will likely require confirmation of the existence of event horizons. The common assumption that the mere existence of large compact masses proves the case for black holes is an unwarranted extrapolation of General Relativity into a strong-field regime where it has not been adequately tested. Neither the large compact masses of galactic nuclei nor the massive compact...