Hypothesis vs Prediction/Control groups

Question 1

what are the types of hypotheses?

Answer 1

statistical (null vs alternative) and scientific hypotheses

Question 2

what is a research question?

Answer 2

based observations that guides research

often don’t include indep variable

Question 3

what is a hypothesis?

Answer 3

explanation for why a speific occurence or problem is happening and includes indep and dep variables

Question 4

what is a prediction?

Answer 4

result or observtion expected if hypothesis is true (directionality)

Question 5

why don’t all scietntific studies use controls that are represented on a graph?

Answer 5

1. use natural variation in environment (correlational study) but limit other variation (ex wet vs dry)
2. manipulate conditions (ex 5ºC, 10ºC, 20ºC)

Question 6

what is a negative control?

Answer 6

allows for comparision to determine if agent understudy is having an effect

one grp with coffee + one drink nothing

Question 7

what is the unperturbed by x control?

Answer 7

negative control where everything the test subjects are treated with are given to control group except the component understudy

decaf vs caf coffee