a. After performing a biological experiment, you have rejected the Null Hypothesis (H.) stating no significant difference between five compared means. You follow up these results with a post hoc comparison. However, you prefer not to use three tests which are not popular at the present time. What are these tests and what are the reasons for not using them?

what is the Expectation and outcome of results, Logical interpretation of the dataand any errors?

a. What was the purpose of the Griffith’s experiment? (What question was asked?) b. Briefly explain the roles of Streptococcus pneumoniae and mice (mouse) in the experimental design. To answer this question, be sure that you address the independent variables.and dependent variables. If you wish, you can sketch a labeled figure to support your answer. c. Write a complete null hypothesis for his experiment.

Someone's subjective v x sons/3007531/variants/3201562/take/2/ e help... It used to be, everyone was entitled to their own opinion, but not their own facts. But that's not the case anymore." MULTIPLE CHOICE Can you tell a fact from an opinion? Can you tell when an idea follows logically from a fact? Basing ideas on facts is essen- tial to good science. Science is a set of facts, and it is also a set of explanations that are based on those facts. Science re- lies on facts to explain the natural world. Someone's subjective view or position on a subject is called A B C data Amazon Music Unlimite X a fact an opinion M Can anybody help me x DBO Stephen Colbert AV Club Interview, January 2006 Attempt 1 of 2 Practice + Meurtres alus Sep

Please explain What are biological concepts of this experiment, limitations and improvements…Experimental techniques & the effect of the change of variables on the results

When i fail to reject the null hypothesis am I saying that I am supporting the hypothesis given or not?

If only the person collecting the data knew who was receiving the pills and who was receiving the placebo, which of the following best describes the study type? A Control B Single blind C Double blind D Bias Answer is B. Single blind? Can you help me to explain to me step by step?

1) What does these results mean as shown in the three graphs and t-tests? 2)  Can you explain why these three graphs and t-tests ended up with these results? 2) How could someone improve on this study using the graphs and t-tests? If other scientists did this study is there something to recommend to them? 3) What variables were not considered in the graphs and t-tests that should be?

Here are some examples of real research topics.For each one, can you name the unit of analysis?(The answers are at the end of this chapter.)a. Women watch TV more than men becausethey are likely to work fewer hours outsidethe home than men. . . . Black people watchan average of approximately three-quartersof an hour more television per day thanwhite people. (Hughes 1980: 290)

a) Does the data support your hypothesis?  b) How could you improve this experiment? Consider the other factors you could have / should have controlled in this experiment.