"critical speculation" is a correct phrase that can be used in written English.
You can use this phrase to describe when someone is pondering a particular problem or situation carefully and thoughtfully, especially if that person is considering all of the implications and possible outcomes. For example, "After reading the article, my friend engaged in some critical speculation on how the new law might affect the economy."
Mr. Spoto thus adds to the reams of critical speculation about Hitchcock's ambivalence toward some of his actresses.
(Barker, with her customary good sense, dismisses the modern critical speculation that the "Lucy" poems are a clue to incest: "The post-Freudian world is incapable of believing that there could be anything innocent about intense sibling affection").
In some ways the 80 pages about his Army experience are the most revealing, as well as the most agonizing, in his memoir (it is not accidental, surely, that his latest work of critical speculation is called "In Praise of Antiheroes"): "I have learned to live with a sense of reprieve.
Some of these negative appraisals exclude Hopkins Architects' Olympic Velodrome, which has taken an early lead in critical speculation.
But Cohen rejects this possibility as a lapse back into pre-critical speculation (Cohen 1902, 13ff).
The film's screening at Cannes met with critical acclaim, prompting speculation it could be awarded the Palme d'Or.
When the Pulitzer board chose Peterson for the prize, Mr. Perle's public indignation over the announcement provoked weeks of critical commentary and heated speculation.
The past whispers its instructions to him, not via critical reflection or abstract speculation but through the things he's already doing more or less automatically.
Similarly, he seemed critical of the widespread speculation in the TV industry about his relationship with Ann Curry, who replaced Meredith Vieira as his co-host last year.
The assassination of Iranian nuclear scientist Mostafa Ahmadi Roshan came less than 24 hours after Israel's military chief warned that the Tehran regime could face "unnatural" events during the critical year ahead, fuelling speculation that the hand of the fabled Israeli intelligence service the Mossad was behind the latest attack.
Reaction among the science fiction community was mixed, with partisans and opponents of the New Wave debating the merits of New Worlds in the columns of critical journals such as Speculation.
