Question

What is the difference between simple-span tasks versus complex-span tasks?

Answer 1

Simple Span tasks are tasks that measure phonological short term memory. It requires only passive ability to retain information. Example - Forward digit span

Complex Span tasks are a measure of working memory. These tasks involve effort in processing information while also trying to retain information or in other words require coordination between memory and processing.These tasks generally use additional tasks along with simple span task.

Example - backward digit span,