When the information is posted without a specific source, the validity of the information cannot be determined or evaluated.
If the information is posted without a specific source.
The first thing you would do is state what 'this' source is.
is the internet a better news source than the television
The evidence might be unreliable because technology and other knowledge has advanced since that time, and their evidence might have been biased.
No, but if you download Plants VS Zombies Plus 4 Trainer from an unreliable source, you might want to have AntiVirus.
One stereotype about teenagers is that they are lazy and entitled, expecting things to be handed to them without putting in effort.
Information that you can trust would be termed reliable. If you aren't sure of the source, or the source is someone that you don't trust, then the information would be unreliable, and you wouldn't count on it in an important situation. If the information is reliable, then you might trust it without doing your own research.
slow, might be unreliable
Some potential disadvantages of using naturalistic observation include the potential for observer bias or interference, lack of control over variables, difficulty in replicating the study, and ethical concerns related to privacy and consent of the individuals being observed.
unreliable
unreliable
Because they do not already have an internet source. The cost to connect a PS3 to the internet is only in the hardware that you might need to Purchase (router, ethernet cables, etc) if you do not have a WiFi connection, once a person already has the internet. The PlayStation Network does not charge for internet service, but you must already have the internet.
The internet can provide a lot of help for self-diagnosis (but nothing online should be considered a professional diagnostic tool and if you are truly concerned and are not sure what to do, a visit to your general physician or a kinestesiologist might be in order). Physiobench.com and WebMD.com are two sites that might be helpful in determining which injury is most likely in your case.