Pure Cultures Can Be Obtained from an Enrichment Culture Using

question 1

Multiple Choice

Pure cultures can be obtained from an enrichment culture using

• A) streak plates only.
• B) the agar dilution method only.
• C) liquid dilution methods only.
• D) streak plates, the agar dilution method, or liquid dilution methods.

---

Definitions:

Uncontrolled Case Studies

Research design involving detailed investigation of an individual or group without manipulation of variables, often lacking a control group for comparison.

Group Experimental Designs

Research designs that involve manipulating one or more independent variables to observe the effect on a dependent variable across different groups.

Single-Subject Designs

Single-subject designs are research methods that focus on understanding the effect of an intervention or treatment on a single participant or subject over time.

Randomized AB Design

A study design where participants are randomly assigned to a baseline condition (A) and an intervention (B) to assess the effect of the intervention while minimizing selection biases.