Yes. When used this way, dashes are significantly more emphatic than commas and slightly more emphatic than parentheses:
Always remember that at any one point in time‚‚especially when under stress‚‚one style will predominate.
In like manner, dashes may be used to insert a thought within a sentence that is related to but not directly part of the main idea of the sentence:
Our committee was given the responsibility for developing goals and objectives‚‚a mission statement had been created by an earlier task force‚‚that would be implemented by all departments involved in the quality improvement program.