Quantitative reasoning and analysis week 3 Essay

Quantitative reasoning and analysis week 3 - Essay Example However, the case of learners is very much different, which makes Cheng a good researcher because using real-world settings have factors that differ from controlled settings. To support this argument, many studies pursued in relation with No Child Left Behind Act were quasi-experimental designs. The rationale behind this according to Angrist (2003) was that numerous studies done before in the classroom that involved technology (computer-aided instruction) â€Å"relies on uncontrolled measurements, such as the level of satisfaction experienced by technology users†. Angris (2003) also noted that the subjects reported satisfaction in using new technology ( who wouldn’t after all?). Joshua Angrist has made several studies that focused on educational research specifically using CAI and used quasi-experimental design. Like Cheng, he has also considered the numerous aspects that can affect validity and came up with high validity. In conclusion, when it comes to educational res earch that uses technology in real-world settings, quasi-experimental method would be the most suited approach to have a credible research. Angrist, J. (2003) Randomized Trials and Quasi-Experiments in Education Research .  The National Bureau of Economic Research.

Color Theraphy Essay Example | Topics and Well Written Essays - 250 words

Color Theraphy - Essay Example The employment of primary, warm, or cool colors in color therapy has been a fundamental practice in the treatment of certain disorders (Ashby 92). Notably, the use of color in variant settings influences personal perceptions and responses to an environment. This proves that color is actually an influential factor in a person’s take on things. On the same note, individual differences relative to color are evident and have to be accounted for as far as color therapy is concerned. Color has significant influence on emotions, feelings, thoughts, and behavior (Birren 150). This is because color plays an active role in stimulating the brain. Although this stimulation is oriented towards one way or another depending on one’s personality, the common denominator is that each and every individual has his/her color preferences. Subsequently, these preferences inform the manner in which color therapy would work or fail to work for one individual or the other. As a result, approaches to color therapy vary subject to the stimulation attained by any given