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Marc Hauser's Scapegoat?

The dust is starting to settle after the Hauser-gate scandal which rocked psychology a couple of weeks back.

Harvard Professor Marc Hauser has been investigated by a faculty committee and the verdict was released on the 20th August: Hauser was "found solely responsible... for eight instances of scientific misconduct." He's taking a year's "leave", his future uncertain.

Unfortunately, there has been no official news on what exactly the misconduct was, and how much of Hauser's work is suspect. According to Harvard, only three publications were affected: a 2002 paper in Cognition, which has been retracted; a 2007 paper which has been "corrected" (see below), and another 2007 Science paper, which is still under discussion.

But what happened? Cognition editor Gerry Altmann writes that he was given access to some of the Harvard internal investigation. He concludes that Hauser simply invented some of the crucial data in the retracted 2002 paper.

Essentially, some monkeys were supposed to have been tested on two conditions, X and Y, and their responses were videotaped. The difference in the monkey's behaviour between the two conditions was the scientifically interesting outcome.

In fact, the videos of the experiment showed them being tested only on condition X. There was no video evidence that condition Y was even tested. The "data" from condition Y, and by extension the differences, were, apparently, simply made up.

If this is true, it is, in Altmann's words, "the worst form of academic misconduct." As he says, it's not quite a smoking gun: maybe tapes of Y did exist, but they got lost somehow. However, this seems implausible. If so, Hauser would presumably have told Harvard so in his defence. Yet they found him guilty - and Hauser retracted the paper.

So it seems that either Hauser never tested the monkeys on condition B at all, and just made up the data, or he did test them, saw that they weren't behaving the "right" way, deleted the videos... and just made up the data. Either way it's fraud.

Was this a one-off? The Cognition paper is the only one that's been retracted. But another 2007 paper was "replicated", with Hauser & a colleague recently writing:

In the original [2007] study by Hauser et al., we reported videotaped experiments on action perception with free ranging rhesus macaques living on the island of Cayo Santiago, Puerto Rico. It has been discovered that the video records and field notes collected by the researcher who performed the experiments (D. Glynn) are incomplete for two of the conditions.
Luckily, Hauser said, when he and a colleague went back to Puerto Rico and repeated the experiment, they found "the exact same pattern of results" as originally reported. Phew.

This note, however, was sent to the journal in July, several weeks before the scandal broke - back when Hauser's reputation was intact. Was this an attempt by Hauser to pin the blame on someone else - David Glynn, who worked as a research assistant in Hauser's lab for three years, and has since left academia?

As I wrote in my previous post:
Glynn was not an author on the only paper which has actually been retracted [the Cognition 2002 paper that Altmann refers to]... according to his resume, he didn't arrive in Hauser's lab until 2005.
Glynn cannot possibly have been involved in the retracted 2002 paper. And Harvard's investigation concluded that Hauser was "solely responsible", remember. So we're to believe that Hauser, guilty of misconduct, was himself an innocent victim of some entirely unrelated mischief in 2007 - but that it was all OK in the end, because when Hauser checked the data, it was fine.

Maybe that's what happened. I am not convinced.

Personally, if I were David Glynn, I would want to clear my name. He's left science, but still, a letter to a peer reviewed journal accuses him of having produced "incomplete video records and field notes", which is not a nice thing to say about someone.

Hmm. On August 19th, the Chronicle of Higher Education ran an article about the case, based on a leaked Harvard document. They say that "A copy of the document was provided to The Chronicle by a former research assistant in the lab who has since left psychology."

Hmm. Who could blame them for leaking it? It's worth remembering that it was a research assistant in Hauser's lab who originally blew the whistle on the whole deal, according to the Chronicle.

Apparently, what originally rang alarm bells was that Hauser appeared to be reporting monkey behaviours which had never happened, according to the video evidence. So at least in that case, there were videos, and it was the inconsistency between Hauser's data and the videos that drew attention. This is what makes me suspect that maybe there were videos and field notes in every case, and the "inconvenient" ones were deleted to try to hide the smoking gun. But that's just speculation.

What's clear is that science owes the whistle-blowing research assistant, whoever it is, a huge debt.

Hauser Of Cards

Update: Lots of stuff has happened since I wrote this post: see here for more.

A major scandal looks to be in progress involving Harvard Professor Marc Hauser, a psychologist and popular author whose research on the minds of chimpanzees and other primates is well-known and highly respected. The Boston Globe has the scoop and it's well worth a read (though you should avoid reading the comments if you react badly to stupid.)

Hauser's built his career on detailed studies of the cognitive abilities of non-human primates. He's generally argued that our closest relatives are smarter than people had previously believed, with major implications for evolutionary psychology. Now one of his papers has been retracted, another has been "corrected" and a third is under scrutiny. Hauser has also announced that he's taking a year off from his position at Harvard.

It's not clear what exactly is going on, but the problems seem to centre around videotapes of the monkeys that took part in Hauser's experiments. The story begins with a 2007 paper published in Proceedings of the Royal Society B. That paper has just been amended in a statement that appeared in the same journal last month:

In the original study by Hauser et al., we reported videotaped experiments on action perception with free ranging rhesus macaques living on the island of Cayo Santiago, Puerto Rico. It has been discovered that the video records and field notes collected by the researcher who performed the experiments (D. Glynn) are incomplete for two of the conditions.
The authors of the original paper were Hauser, David Glynn and Justin Wood. In the amendment, which is authored by Hauser and Wood i.e. not Glynn, they say that upon discovering the issues with Glynn's data, they went back to Puerto Rico, did the studies again, and confirmed that the original results were valid. Glynn left academia in 2007, to work for a Boston company, Innerscope Research, according to this online resume.

If that was the whole of the scandal it wouldn't be such a big deal, but according to the Boston Globe, that was just the start. David Glynn was also an author on a second paper which is now under scrutiny. It was published in Science 2007, with the authors listed as Wood, Glynn, Brenda Phillips and Hauser.

However, crucially, Glynn was not an author on the only paper which has actually been retracted, "Rule learning by cotton-top tamarins". This appeared in the journal Cognition in 2002. The three authors were Hauser, Daniel Weiss and Gary Marcus. David Glynn wasn't mentioned in the acknowledgements section either, and according to his resume, he didn't arrive in Hauser's lab until 2005.

So the problem, whatever it is, is not limited to Glynn.

Not was Glynn an author on the final paper mentioned in the Boston Globe, a 1995 article by Hauser, Kralik, Botto-Mahan, Garrett, and Oser. Note that the Globe doesn't say that this paper is formally under investigation, but rather, that it was mentioned in an interview by researcher Gordon G. Gallup who says that when he viewed the videotapes of the monkeys from that study, he didn't observe the behaviours which Hauser et al. said were present. Gallup is famous for his paper "Does Semen Have Antidepressant Properties?" in which he examined the question of whether semen... oh, guess.

The crucial issue for scientists is whether the problems are limited to the three papers that have so far been officially investigated or whether it goes further: that's an entirely open question right now.

In Summary: We don't know what is going on here and it would be premature to jump to conclusions. However, the only author who appears on all of the papers known to be under scrutiny, is Marc Hauser himself.

ResearchBlogging.orgHauser MD, Weiss D, & Marcus G (2002). Rule learning by cotton-top tamarins. Cognition, 86 (1) PMID: 12208654

Hauser MD, Glynn D, & Wood J (2007). Rhesus monkeys correctly read the goal-relevant gestures of a human agent. Proceedings. Biological sciences / The Royal Society, 274 (1620), 1913-8 PMID: 17540661

Wood JN, Glynn DD, Phillips BC, & Hauser MD (2007). The perception of rational, goal-directed action in nonhuman primates. Science (New York, N.Y.), 317 (5843), 1402-5 PMID: 17823353

Hauser MD, Kralik J, Botto-Mahan C, Garrett M, & Oser J (1995). Self-recognition in primates: phylogeny and the salience of species-typical features. Proceedings of the National Academy of Sciences of the United States of America, 92 (23), 10811-14 PMID: 7479889

 
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