Question

c) the experiment is ethical
d) the results are significant

1. validity in research means:

a) the results are consistent
b) the test measures what its supposed to measure
c) the experiment is ethical
d) the results are significant

1. which research method uses questionnaires or interviews?

a) case study
b) survey
c) naturalistic observation
d) experiment

1. inferential statistics are used to:

a) describe data
b) draw conclusions and make predictions
c) record data
d) randomly assign participants

1. descriptive statistics are used to:

a) draw conclusions
b) summarize and describe data
c) make predictions
d) identify bias

1. a placebo is:

a) an inactive substance given to control group
b) a drug with strong effects
c) an independent variable
d) a type of correlation

1. which type of bias occurs when researchers unintentionally influence results?

a) confirmation bias
b) experimenter bias
c) sampling bias
d) participation bias

1. a double - blind study means:

a) neither participants nor researchers know who receives treatment
b) both groups receive treatment
c) the results are invalid
d) participants know but researchers dont

1. skittles activity that counts colors and compares averages is an example of:

a) qualitative research
b) quantitative research
c) case study
d) correlation

1. which is an example of qualitative data?

a) “the participant smiled after hearing the song.”
b) “the participant’s heart rate was 95 bpm.”
c) “the student got 18/20 correct.”
d) “the subject weighed 140 pounds.”

Explanation:

• 57: Validity in research means the test measures what it's supposed to measure.
• 58: Surveys use questionnaires or interviews.
• 59: Inferential statistics are used to draw conclusions and make predictions.
• 60: Descriptive statistics are used to summarize and describe data.
• 61: A placebo is an inactive substance given to the control group.
• 62: Experimenter bias occurs when researchers unintentionally influence results.
• 63: In a double - blind study, neither participants nor researchers know who receives treatment.
• 64: Counting Skittles colors and comparing averages is quantitative research.
• 65: "The participant smiled after hearing the song." is an example of qualitative data.

Answer:

1. b) The test measures what it's supposed to measure
2. b) Survey
3. b) Draw conclusions and make predictions
4. b) Summarize and describe data
5. a) An inactive substance given to control group
6. b) Experimenter bias
7. a) Neither participants nor researchers know who receives treatment
8. b) Quantitative research
9. a) "The participant smiled after hearing the song."