Neuroscience is real science.
Most neuroscientists have doctorates in psychology.
Psychology has scientific elements to it, but as was described in the OP, it lacks a lot compared to hard sciences.
First, even if there were "five basic requirements" that defined what is or isn't scientifically rigorous, psychology fits all five given.
Second, those "hard sciences"? Guess were they're turning to for help with research? Psychologists. The study "Review of Human Studies Methods in HRI and Recommendations" (HRI = Human-Computer Interaction) starts with "This article provides an overview on planning, designing, and executing human studies for Human-Robot Interaction (HRI) that leads to ten recommendations for experimental design and study execution. Two improvements are described, using insights from the psychology and social science disciplines."
Like the larger field it belongs to (Human Computer Interaction) most of the researchers are engineers, physicists, computer scientists, and others from the natural and life sciences as well as mathematicians. They're "hard science" people. Every year, there is an HCI conference held jointly with an ever increasing number of other conferences. For example, the 14th HCI conference also included:
the Symposium on Human Interface
the 9th International Conference on Engineering Psychology and Cognitive Ergonomics
the 6th International Conference on Universal Access in Human–Computer Interaction
the 4th International Conference on Virtual and Mixed Reality
the 4th International Conference on Internationalization, Design and Global Development
the 4th International Conference on Online Communities and Social Computing
the 6th International Conference on Augmented Cognition
the 3rd International Conference on Digital Human Modeling
the 2nd International Conference on Human-Centered Design
the 1st International Conference on DesignUser Experience, and Usability
They had to publish the conference proceedings in 23 volumes (and that's not taking into account the vastly larger number of poster exhibits). Yet why did they either include seminars or papers (or both) on the "how to's" of behavioral experiments? Because they don't know how to do these and require psychologists to teach them. The 2013 conference will have yet another tutorial session to introduce research methods to PhDs in the "hard sciences" who know less about behavioral research than someone who's just finished a B.A. in psych.
The three computer scientists who wrote "The Expanding Focus of HCI" reviewed existing literature and found that over half were using methods from psychology. The Applied Physics Lab, associated with Johns Hopkins, uses participant pool management software built for psychology research.
Penn State's College of Information Sciences and Technology has a guide on experiments with human subjects. As they put it "Much of what we have to say is drawn from the field of experimental psychology, but researchers in many fields make use of behavioral research methods."
At just one of those HCI events are thousands of researchers in the "hard sciences" who either learned from psychologists or are learning because psychologists, whether in personality psychology or social psychology, are the ones who invented behavioral research methods. Business schools rely on psychology for consumer experiments, engineers for everything from ergonomics to unmanned aircraft, computational sciences for language processing, and on and on. Why? Because psychologists were doing empirical research before most of these fields in the "hard sciences" existed.
But I'm sure that the Los Angeles Times is an excellent source for understanding scientific research and what qualifies.
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