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.
1 Mounting the TV to the wall (we used this $18 mounting hardware from Amazon) 2  Installing an in-wall cord system (we used this $40 all-in-one DIY kit from Home Depot) 3  Getting our power strip off the floor (we already had one, so this step was free)  Adding an infrared receiver (we used this $14 IR receiver from Amazon)