The phrase "across four levels" is correct and usable in written English.
It can be used to describe something that spans or is applicable to four distinct levels or categories, often in contexts like education, analysis, or evaluation.
Example: "The curriculum is designed to provide comprehensive knowledge across four levels: beginner, intermediate, advanced, and expert."
Alternatives: "over four tiers" or "through four stages".
The museum's permanent collection, spread across four levels, also includes commissioned works from contemporary Kiwi artists.
The stimuli varied across four levels of roughness and were presented using a pure/mixed block design.
A research-based framework that incorporated a description of elementary students' statistical thinking on four constructs and across four levels of thinking informed the hypothetical learning trajectory for the teaching experiment.
We used a stratified sampling design to quantify post-fire vegetation dynamics across four levels of burn severity and three forest types on the Lassen National Forest nine and ten years following fire.
We therefore, compared the bias, accuracy and precision of FECRT results for Cornell-Wisconsin (analytic sensitivity = 1 egg per gram faeces (EPG)), FLOTAC (analytic sensitivity = 1 EPG) and McMaster method (analytic sensitivity = 10 EPG) across four levels of egg excretion (1 49 EPG; 50 149 EPG; 150 299 EPG; 300 600 EPG).
First opened in 1901, the Apollo is a Grade II listed building that seats 775 people across four levels.
Automakers generally categorize autonomy across five levels: Level 1 is limited to warning lights and screens.
It is not known if the activity profile of elite Australian football players changes across two levels of competition.
Nonprofit organizations such as the Cradle to Cradle Products Innovation Institute are working to help manufacturers improve products across five levels of certification, including renewable energy, water stewardship and social fairness.
Two independent samples were recruited and presented with images of 24 homepages varying across six levels of Complexity and four levels of Order.
