Category: Sciences 2502

The null hypothesis is a hypothesis which states that there is “no effect, no difference, or no relationship among the variables being studied” (Smith, Gratz, & Bousquet, 2009, p. 161). Conversely, the alternative hypothesis is a hypothesis that claims that there is an effect, a relationship, or a difference between the studied variables. These two…

It is important to determine the validity and reliability of the research instruments when reading a research study. How does the validity and reliability of an instrument influence the credibility of the study and the value of the evidence? When carrying out research, one must make sure that the value of the evidence used in…

Table of Contents Hypothesis Testing and Inferential Analysis Errors When Carrying Out a Test of Significance Counselling Scenarios Involving Variables References Hypothesis Testing and Inferential Analysis There are a number of procedures during the research process that are important to take into account. The two particularly significant ones are hypothesis testing and inferential analysis. Both…

Table of Contents Analysis of Responsibilities and Interactions Evaluation of Leader’s Behavior Conclusion References I have recently attended a group meeting in my community, which aimed at the discovery of the necessity of the vegetation in the area. In this instance, the group consisted out of six members, and I could freely observe their interactions.…

Gas prices is a ratio variable because it has an absolute zero (Patten and Newhart 117), and it is possible to make up a meaningful ratio from two of its different values. For example, a price of gas of $100 per unit is two times as high as the price of $50, and these two…

Table of Contents Introduction Properties of Li Development and Application of Li Properties of PTFE Development and Application of PTFE Conclusion References Introduction It is safe to say that people have found a use for all the chemical elements of the periodic table. Synthetic elements are also used in various fields of industry and science.…

Statistics in today’s world is one of the fundamental disciplines since the world population makes decisions based on the available information. The today’s review subject will be the hypothesis testing, analyzed in Part 8 of our textbook. In this review, I will present you with the ‘middle-quality’ type of source, which is considered to be…

How Does a Research Problem/Question Guide the Determination to Conduct a Quantitative versus a Qualitative Research Study? The description of a specific research problem or how a research question is formulated defines the selection of the study design since the nature of the analysis is encoded in the research question or the problem statement. The…

Table of Contents Probability Sampling Non-Probability Sampling Stratified Sampling Reference Probability Sampling Probability sampling is the method that is based on the premise that all the members of the population have an equal possibility of being chosen for study or observation. It usually includes such main sampling types as simple random, systematic, stratified, and cluster…

Table of Contents Introduction Geological Context and Features Effect on the Population Immediate Impact Conclusion Works Cited Introduction Geology is a natural science which studies soil and its composition, including rocks and minerals. It focuses strongly on the transformation of the Earth’s geology over the 4.5 billion years of its existence as it underwent a…