When writing or speaking about the past, when should you use passé composé and when should you use imparfait?
The imparfait is generally used to discuss passive events and habits. Some phrases that suggest habits ("tous les jours," "chaque matin", etc) are clues to use imparfait. The passé composé is used when describing more sudden or active events. The passé composé is often used to contrast with passive or habitual events. For example: Chaque jour Jean faisait ses devoirs, mais un jour il a oublié de les faire! (every day Jean did his homework, but one day he forgot to do them!)
What is the difference between within-subject and between-subject experimental designs?
Psychology experiments generally are designed to test the effect of an independent variable (IV) on a dependent variable (DV). For example, does the amount of caffeine consumed (IV) affect performance on attention tests (DV)? There are usually two or more levels of the independent variable being tested (for example, 100mg of caffeine & 300 mg of caffeine). In a between-subject design, the different levels of the IV are assigned to different groups. If you read about an experiment with a control group and an experimental group, you are reading about an between-subject experiment. In a within-subject design, each participant is exposed to various levels of the IV. So rather than comparing the performance of people who took 100mg of caffeine to people who took 300mg of caffeine, you would comparing the way the same person performs after taking 100mg of caffeine to the way they perform after taking 300mg of caffeine.
What are some of the most important elements in a college application essay?
First, let's start with the basics. The writing itself is as important as the content. Be very careful to avoid any spelling or grammar mistakes, and especially typos that might occur as you revise your essay. Make sure you are varying your sentence structure and using rich vocabulary to convey your message. However, using an excessively academic or poetic vocabulary my lead to admissions officers doubting your authenticity. Authenticity is absolutely key in the college essay. Tell your unique story using your unique voice. Don't embellish, exaggerate or lie (admissions officers are probably pretty good at detecting these). Remember that you want your essay to stand out from the tens of thousands that the admissions officers will read. So don't try to build your essay around what you think the college is looking for, but instead craft an essay around what makes you unique.