Dr. Jones is trying to determine how taking an exam causes an increase in subsequent memory for material covered on the exam. What research design should she use?

The correct answer is experimental

Considered the best methodology to be used in the scientific sector, experimental research is able to isolate structures from the outside so that there is no interference. That way, your results are much more reliable.

As it is a flexible type of research, its result can be surprising, also generating different actions from your information. This is because the variable can be manipulated by the researcher. Divided into three groups, the experimental research can be done by Experiments Only Afterwards, which only establishes two homogeneous groups for analysis, bringing differences and variations; the Before-After Experiment, with only one group undergoing analysis and undergoing some type of stimulus, the Before-After Experiment with two groups before any stimulus and control, which can be repeatedly tested until a satisfactory response is achieved.

Within these ramifications of experimental research it is very important to understand their definitions and presets. As well as the groups it can fit into, such as:

Exploratory research: based on hypotheses and intuitions, the researcher is more involved with the theme and the object to be researched. The most common is that the topic is unusual, which requires a much broader search to obtain the desired information.

Descriptive research: makes a deep analysis on the topic, which can use quantitative information, but mainly qualitative information. The most important thing is to capture all the data and make the appropriate analysis without receiving personal influence from the researcher.

Explanatory research: seeks and explains what is wrong with what is being studied. It is a research aimed at finding reality from all sides and is based on extensive technical knowledge to support it.

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.

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