To select files in Finder contiguously, when in list view, hold down the Shift key while pressing the up or down arrow key to move through the folder. To select files non-contiguously, focus on the first one you want to select, interact with the table, and press VO-Command-Return. Then navigate through the folder and press VO-Command-Return on any subsequent file you want to select.
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Selecting files
To select files in Finder contiguously, when in list view, hold down the Shift key while pressing the up or down arrow key to move through the folder. To select files non-contiguously, focus on the first one you want to select, interact with the table, and press VO-Command-Return. Then navigate through the folder and press VO-Command-Return on any subsequent file you want to select.
HTH