Conducting Research Chapter 2

#1 Forming a research question Arise from daily experiences Arise from other theories

#2 Forming a Hypothesis Hypothesis is an educated guess Predict what will be the answer to their question

#3 Testing the Hypothesis Examine evidence and draw own conclusions Testing includes: survey, experimenting, Case-study, observation Gather data

#4 Analyzing the results What do the findings mean? Does the data support or reject the hypothesis?

#5 Drawing conclusions Explain why data supports or rejects the hypothesis Need to keep an open mind when experimenting Can the experiment be replicated? Do the results raise new questions?

#6 Replication A study must be repeated and produce the same results

#7 New Questions Likely to lead to new questions The Process begins over again with a new Hypothesis

Vocabulary – use book to define Independent Variables- Dependent Variables Experimental Group Control Group Placebo Effect Single Blind Study Double blind study

2. The presence of music while studying An experimenter wants to study the effects of music on studying. He has some students study while listening to music and others study in silence, and then compares their test scores. What is the independent variable in this experiment? 1. The students 2. The presence of music while studying 3. The kind of music 4. The test scores

Tell me the correlation Correlational Method Studies the relationships between variables (Twins Study) Correlation Coefficient can be positive or negative Tell me the correlation Stress  Health  Time Studying  Grades  Time watching T.V.  Grades  Less Time Studying  Grades 

Correlations can be represented by scatterplots.