The phrase "assertive speech" is correct and usable in written English.
It can be used to describe a style of communication that is confident and direct, often in the context of expressing opinions or needs clearly.
Example: "In negotiations, using assertive speech can help convey your position effectively and ensure that your needs are met."
Alternatives: "confident communication" or "direct speech".
In an assertive speech that covered the main themes of his administration, President Bush tonight combined an unflinching threat of military action against Saddam Hussein with sweeping proposals on the key domestic issues of health care and tax relief.
In a surprisingly assertive speech at a memorial service for the 27 victims, including 20 children, Mr. Obama said that the country had failed to protect its young and that its leaders could no longer sit by idly because "the politics are too hard".
Update: Dec. 17 | The Times reports that, in a "surprisingly assertive" speech at a memorial service in Newtown on Dec. 16: President Obama vowed on Sunday to "use whatever power this office holds" to stop massacres like the slaughter at the school here that shocked the nation, hinting at a fresh effort to curb the spread of guns as he declared that there was no "excuse for inaction".
Fact: Hyde's meta-analysis showed that there was only a small effect size favoring males when it came to conversational interruption and assertive speech.
Grant says that people who pose questions instead of answers, admit their shortcomings and use tentative instead of assertive speech are some of the world's most powerful communicators.
In a retooled and more assertive stump speech, Mr. Bush struck a theme sure to be central to his reelection effort: that he had acted aggressively both to ensure national security and restore prosperity.
Use assertive body language.
Use calm but assertive body language.
It's the musical equivalent of a Ronald Reagan stump speech: peppy, assertive, highly anecdotal, occasionally censorious, fiercely obvious.
Yet now he assesses Gov. Sarah Palin's address as "smart and assertive" and "a tough vice-presidential speech".
The head of military intelligence, General Khin Nyunt, restated the regime's assertive nationalistic line in a speech shortly before Ms Suu Kyi was forced to return home after trying to travel in her homeland.
