The phrase "alternate trial" is correct and usable in written English.
It can be used in contexts where you are referring to a trial that is different from the main one or a trial that occurs in place of another.
Example: "In the study, we conducted an alternate trial to compare the results with the original experiment."
Alternatives: "alternative trial" or "substitute trial".
Only every alternate trial, after the learning trial was used for this calculation.
The final peak timing for each cell was determined by averaging every alternate trial from trials 26 to 50.
There remains a need to consider alternate trial designs (e.g., attention control designs) to reduce the impact of drop-out due to study group preferences.
ΔF/F values from frames between tone onset and puff onset were taken for every alternate trial after the learning trial and averaged to obtain a set of expected prvs, corresponding to each frame in the period of interest.
This meant comparing trials 5 and 7 (because data were only available from alternate trials).
The neurons were recorded in one of two monkeys who, on alternate trials, chose a movement in order to earn a reward.
In this task, the animals had to retrieve food rewards placed at the end of left vs right arms of the T-maze in alternate trials.
Stage 3 consisted of three sessions in which the rats now received 10 trials per session of both B|W+ versus W|B– and W|H+ versus H|W–, during which the two discriminations were on alternate trials.
This version of the Stroop Test consists of two alternate trials using one stimulus card that contains a list of 176 colour words printed in incongruous ink (e.g. the word "blue" printed in yellow ink), and randomly ordered.
Then, on alternating trials, one puppet would grab the lid and open it all the way, and another puppet would jump on the box and slam it shut.
This condition is identical to the previous condition except that, between the alternating trials, an object is seen crossing the gap.
