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 Echo, an Internet-connected smart speaker that can answer ownersâ verbal questions and requests, has quietly become one of the hottest gadgets of the past few months. And with the arrival of the new Tap and Dot, Amazon is taking the Echoâs smarts, powered by a Siri-like software called âAlexa,â and packing them into two new form factors.