Microsoft Office Tutorials and References

In Depth Information

or

‘‘ Parents of 8th grade pupils were signiﬁcantly dissatisﬁed with the quality of

the science program offered by their son’s or daughter’s school’’ (this is accepted

as true whenever our sample mean is signiﬁcantly less than our expected

population mean of 4).

Both of these conclusions cannot be true. We accept one of the hypotheses as

‘‘true’’ based on the data set in our research study, and the other one as ‘‘not true’’

based on our data set.

The job of the research scientist, then, is to decide which of these two

hypotheses, the null hypothesis or the research hypothesis, he or she will accept as

true given the data set in the research study.

Let’s try some examples of rating scales so that you can practice ﬁguring out

what the null hypothesis and the research hypothesis are for each rating scale.

In

the

spaces

in

Fig.
3.7
,

write

in

the

null

hypothesis

and

the

research

hypothesis for the rating scales:

Fig. 3.7

Examples

of rating scales

for determining

the null

hypothesis

and the research

hypothesis

Search JabSto ::

Custom Search