AP Psych- Unit 0 Research

Researchers find that there is a significant, positive correlation between the number of hours students sleep and their grades. The researchers would be justified in concluding that...

• Students who earn good grades tend to sleep more than those who do not

• There is no relationship between sleep and grades

• Students who sleep less tend to have higher grades

• Sleep duration has no impact on academic performance

What is a statement that describes how to measure a particular variable such as an emotion?

• Operational Definition

• Descriptive Analysis

• Theoretical Framework

• Statistical Measure

This research method is a technique for ascertaining the self-reported attitudes or behaviors of a particular group, often by questioning a representative sample of the group.

• Survey

• Experiment

• Observation

• Case Study

In an FDA study, the group receiving the placebo is referred to as the _______________ group.

• experimental

• control

• treatment

• placebo

Mrs. Baumann gives an exam where most of the students receive failing grades and only a few students receive high scores. When the exam scores are plotted, the distribution will be

• positively skewed

• negatively skewed

• normally distributed

• uniformly distributed

Which type of psychological study uses measures of central tendency and measures of variability?

• descriptive statistics

• inferential statistics

• correlational studies

• experimental studies

The advantage of ___________________ is that the behavior observed in the subject(s) natural environment to be more natural, spontaneous, and varied than that observed in a laboratory.

• controlled experiment

• natural observation

• case study

• survey

The _____________ method of research is where the researcher carefully and systematically observes and records behavior without interfering.

• Experimental

• Observational

• Survey

• Case Study

The way the words are presented in a memory recall study with three groups (listening, reading, both) is which type of variable?

• Dependent

• Independent

• Confounding

• Control

If Mr. Lawless asks for everyone in the gym who has red hair to vote for student body president and one of the candidates has red hair, what has he created?

• sampling bias

• random sampling

• selection bias

• confirmation bias