The phrase "an expectancy" is correct and usable in written English.
It can be used to refer to a belief or anticipation that something will happen, often in contexts related to expectations or predictions.
Example: "There was an expectancy in the air as the crowd waited for the announcement of the winner."
Alternatives: "an expectation" or "a hope".
Second, when addressing attitudes, there may be an "expectancy factor" that draws the scores towards what is expected, namely social desirability – people feel obligated to be positive about the domains studied.
Roscoe JA, O'Neill M, Jean-Pierre P, Heckler CE, Kaptchuk TJ, Bushunow P, Shayne M, Huston A, Qazi R, Smith B. An exploratory study on the effects of an expectancy manipulation on chemotherapy-related nausea.
"I never really put an expectancy level on us and the players.
"There was an expectancy after beating Chelsea that we would win today and we had to guard against that.
There's an expectancy to the air, a compound of my thrumming heart, the tangy river water, and a brisk southwesterly breeze.
The results indicated that the length of the distraction interval significantly reduced response time, suggesting an expectancy effect in the presence of distractions.
Using an expectancy-value perspective we identify and test two types of utility value: communal (other-oriented) and agentic (self-oriented).
Beliefs are structured according to an expectancy-value framework.
From an expectancy-value theory perspective, students will not be motivated to engage in the task without perceiving the task to have value, even if they expect to be successful at it (Wigfield & Eccles, 2000).
While both, platelets and neurons are postmitotic cells, platelets have a life expectancy of a week and neurons a life expectancy comparable to the life expectancy of humans.
They are about 50 feet high and as many years old with a life expectancy of a hundred years.
