Question

QUESTION 12 n some studles the researth subjects are not toid the real purpose of the research. These are called o a Irvaild 。b, secret Ос.tird od double bind sudes QUESTION 13 ln experiment게 research there are Oa contro ob.expermenca groups of subjects n whichgroup does the expertrener mar pdate the independent vartable QUESTION 14 In any research, the hypothesis is deined as o an educated guess o an educated and testable guess o a formula QUESTION 15 The biggesz risk to data valdity in survey research is The Hawthorme Effect Observer bias Third variable issues Dishonesty of subjects

Answer 1

1)c) Blind

In a blind study the participants do not know that they are receiving the placebo or the actual experiment. In the double blind study, both the researcher and the subjects do not have awareness regarding the intervention.

2)b) Experimental

The experimental group recieves the experiment which manipulates the independent variable while the control group doesn't. The case ntrol group either receives no intervention or an alternate intervention.

3)b) An educated and testable guess.

Hypothesis is a statement that predicts the Relationship between variables which can be statistically tested and proved as right or wrong. It predicts how variables are related to each other.

4)a) Hawthorne effect

In this case, the subjects are aware that the researcher is observing them and it causes them to be more conscious regarding their actions and may execute them differently which causes variation and risk in the validity of data.