Quantitative Observational Vs Experimental Design

 Quantitative Observational vs Experimental Design

For each of the following decide whether it is a quantitative observational OR an experimental design. Next, identify the variables in the study. If it’s an experiment, identify the IV and DV.

1) After administering a test of self-esteem to all the standard 6 students in a school, the school psychologist has the teachers monitor the number of times each student voluntarily participates in class (answering questions, offering opinions) and determined the lower the self-esteem score of the child, the less they participated.

Type of study:

Variables:

2) A survey study conducted in England found that wealthy women between the ages of 30 and 50 reported higher marital satisfaction than women of the same age from poorer households.

Type of study:

Variables:

3) A cognitive psychologist tests students' ability to recall of textbook material studied for thirty minutes under either noisy or quiet conditions.

Type of study:

Variables:

4) Using photographs, a social psychologist had participants rate the attractiveness as well as the perceived competence of 50 individuals. Those individuals rated as the most attractive were also rated as the most competent.

Type of study:

Variables:

5)  After working with patients with depression for 5 years, Dr. Koh noticed that patients with strong social support recovered faster.

Type of study:

Variables:

6) A psychologist aims to investigate the influence of temperature on aggressive behavior. Participants were allocated into rooms with different temperature and were required to play a game of ping pong.

Type of study:

Variables:

7) A research was conducted to see if color of paper has an impact on academic performance. 200 students in a local college were given either a blue test paper or a white test paper during an exam. Their scores from the test were then compared.