The answer would be Greece (a)
Which happened first? Heavy snow happened first in the Himalaya's. I think/know this because when you look up the Himalaya's, the scenery is perfect for sledding and skiing.
being tired but unable to sleep :|
Answer: Valid
Explanation: There are two types of trials in Posner's attention experiments: valid and invalid. The first one is when a cue indicates exactly where the target would be appearing, meanwhile the invalid trial is when the cue indicate an erratic position of the target to be presented.
Learning theorists call the presentation of a stimulus that increases or maintains a response as positive reinforcement. It contains the addition of reinforcing stimulus after a behavior that makes it more likely that the behavior will occur again in the future. When a satisfactory outcome, event or reward occurs after an action, that particular answer or behavior will be strengthened such as a child receiving a gold star for doing a core.
