unit 1 & 2 psychology

This research method is a descriptive technique in which one individual or group is studied in depth in the hope of revealing universal principles

• Case Study
• Survey
• Observational
• Correlational
• Experiments

This is a method of research where the researcher carefully and systematically observes and records behavior without interfering

• Observational
• Correlational
• Experiments
• Case Study
• Survey

This is a method of research where an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable).

• Experiments
• Case Study
• Survey
• Observational
• Correlational

The advantage of this descriptive method of research is that it creates an immense amount of data to be gathered quickly and inexpensively.

• Survey
• Observational
• Correlational
• Experiments
• Case Study

A correlation coefficient of 0.8 is a _______________ and suggests that as one variable ____________, the other variable ______________.

• strong positive | increases | increases
• weak positive | increases | increases
• strong positive | increases | decreases
• weak positive | increases | decreases

Which answer lists two measures of the spread of data around the mean?

• mode and median
• standard deviation and range
• inferential statistics and descriptive statistics
• scattergrams and boxplots

Which answer provides examples of participant variables?

• independent variables, dependent variables
• time of day, noise level, temperature, location
• prior experience, motivation, intelligence, educational background
• extraneous variables, confounding variables

What is a hypothesis?

• an educated guess

• an absolute solution

• a random guess

• an experiment

What is replication?

• cloning the scientist who first did an experiment

• doing an experiment for the first time

• doing an experiment again and getting different results

• Doing an experiment again and getting the same results

If an experiment doesn't provide the same results, it could mean...

• the first experiment was fine, publish the results

• the first experiment was flawed, retest

• the second experiment is fine, publish the results

• the second experiment was flawed and must be thrown out