Summary of the strengths and weaknesses of experimental designs A Level exam tips Answering exam questions (PSYA1 AQA A specification) Questions about types of experiments tend to be 1 or 2 mark questions that require you to: Identify the type of experiment in an example; Give 1 strength and 1 weakness of that type of experiment
Amazonâs wand is basically Dash 2.0. Like the companyâs first bar-code scanner, which was limited to Amazon Fresh customers, the 6-inch stick has a rubberized loop at the top for hanging purposes, but this time around itâs also magnetic.
The Amazon Tap is a simpler and more portable version of the Echo. Whereas the Echo is 9.25 inches tall and 3.27 inches wide, the Tap is significantly smaller at 6.2 inches tall and 2.6 inches wide. If you plan on moving the device regularly from room to room, the Tap is the far more convenient option.