Dr. kenney conducts a study in which she gives some students (chosen randomly) logically organized learning material; she gives other students the same material presented in a haphazard, unpredictable sequence. she finds that students with the organized material remember more. this study can best be described as:

This study can best be described as: experimental studies.

Explanation:

Experimental studies this is a study in which researchers intervene of manipulate the experiment and observe to record the effect. The participants are chosen randomly.

Two more groups are established in which people are grouped into those groups in no particular order.

One of these groups will be exposed to the intervention such as a new drug that is being tested whilst the other group is given something not real but which may resemble this drug (placebo).

The researcher studies the result from each group , the results are then compared.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;

a) which ethnic groups live in this community?

i just took test