Materials & Methods EBP1

Which is not a purpose of a M&M section?

• describe the results of the study

• describe the population or the sample

• describe the techniques used to collect data

• • indicate ethics approval

Sample is described in articles using which letter?

• P

• N

• S

• M

Random sampling is the assignment of participants to either the treatment group or control group.

• True

• False

What do researchers do to estimate how large their samples should be?

Reliability is the degree to which the research instrument consistently measures a variable under the same condition

• True

• False

External validity refers to whether there is a causal relationship between the treatment and outcome.

• True

• False

External validity tells us whether relationships found in the study for participants might hold true 4 different people.

• True

• False

Defined as the probability of testing positive if the disease/condition is truly present.

Defined as the probability or screening negative if the disease/condition is truly absent